53555775

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:118

約数の個数: 144

約数和(自身を含む): 118742400

約数和(自身を除く): 65186625

約数列:

[1, 3, 5, 7, 13, 15, 19, 21, 25, 35, 39, 49, 57, 59, 65, 75, 91, 95, 105, 133, 147, 175, 177, 195, 245, 247, 273, 285, 295, 325, 399, 413, 455, 475, 525, 637, 665, 735, 741, 767, 885, 931, 975, 1121, 1225, 1235, 1239, 1365, 1425, 1475, 1729, 1911, 1995, 2065, 2275, 2301, 2793, 2891, 3185, 3325, 3363, 3675, 3705, 3835, 4425, 4655, 5187, 5369, 5605, 6175, 6195, 6825, 7847, 8645, 8673, 9555, 9975, 10325, 11505, 12103, 13965, 14455, 14573, 15925, 16107, 16815, 18525, 19175, 23275, 23541, 25935, 26845, 28025, 30975, 36309, 37583, 39235, 43225, 43365, 43719, 47775, 54929, 57525, 60515, 69825, 72275, 72865, 80535, 84075, 102011, 112749, 117705, 129675, 134225, 164787, 181545, 187915, 196175, 216825, 218595, 274645, 302575, 306033, 364325, 402675, 510055, 563745, 588525, 714077, 823935, 907725, 939575, 1092975, 1373225, 1530165, 2142231, 2550275, 2818725, 3570385, 4119675, 7650825, 10711155, 17851925, 53555775]

約数ペア:

[(1, 53555775), (3, 17851925), (5, 10711155), (7, 7650825), (13, 4119675), (15, 3570385), (19, 2818725), (21, 2550275), (25, 2142231), (35, 1530165), (39, 1373225), (49, 1092975), (57, 939575), (59, 907725), (65, 823935), (75, 714077), (91, 588525), (95, 563745), (105, 510055), (133, 402675), (147, 364325), (175, 306033), (177, 302575), (195, 274645), (245, 218595), (247, 216825), (273, 196175), (285, 187915), (295, 181545), (325, 164787), (399, 134225), (413, 129675), (455, 117705), (475, 112749), (525, 102011), (637, 84075), (665, 80535), (735, 72865), (741, 72275), (767, 69825), (885, 60515), (931, 57525), (975, 54929), (1121, 47775), (1225, 43719), (1235, 43365), (1239, 43225), (1365, 39235), (1425, 37583), (1475, 36309), (1729, 30975), (1911, 28025), (1995, 26845), (2065, 25935), (2275, 23541), (2301, 23275), (2793, 19175), (2891, 18525), (3185, 16815), (3325, 16107), (3363, 15925), (3675, 14573), (3705, 14455), (3835, 13965), (4425, 12103), (4655, 11505), (5187, 10325), (5369, 9975), (5605, 9555), (6175, 8673), (6195, 8645), (6825, 7847)]