2818725

素因数分解:

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

素因数の和:99

約数の個数: 72

約数和(自身を含む): 5937120

約数和(自身を除く): 3118395

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 49, 59, 65, 75, 91, 105, 147, 175, 177, 195, 245, 273, 295, 325, 413, 455, 525, 637, 735, 767, 885, 975, 1225, 1239, 1365, 1475, 1911, 2065, 2275, 2301, 2891, 3185, 3675, 3835, 4425, 5369, 6195, 6825, 8673, 9555, 10325, 11505, 14455, 15925, 16107, 19175, 26845, 30975, 37583, 43365, 47775, 57525, 72275, 80535, 112749, 134225, 187915, 216825, 402675, 563745, 939575, 2818725]

約数ペア:

[(1, 2818725), (3, 939575), (5, 563745), (7, 402675), (13, 216825), (15, 187915), (21, 134225), (25, 112749), (35, 80535), (39, 72275), (49, 57525), (59, 47775), (65, 43365), (75, 37583), (91, 30975), (105, 26845), (147, 19175), (175, 16107), (177, 15925), (195, 14455), (245, 11505), (273, 10325), (295, 9555), (325, 8673), (413, 6825), (455, 6195), (525, 5369), (637, 4425), (735, 3835), (767, 3675), (885, 3185), (975, 2891), (1225, 2301), (1239, 2275), (1365, 2065), (1475, 1911)]