28043925

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{587}}^1$

素因数の和:627

約数の個数: 72

約数和(自身を含む): 58183776

約数和(自身を除く): 30139851

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 49, 65, 75, 91, 105, 147, 175, 195, 245, 273, 325, 455, 525, 587, 637, 735, 975, 1225, 1365, 1761, 1911, 2275, 2935, 3185, 3675, 4109, 6825, 7631, 8805, 9555, 12327, 14675, 15925, 20545, 22893, 28763, 38155, 44025, 47775, 53417, 61635, 86289, 102725, 114465, 143815, 160251, 190775, 267085, 308175, 373919, 431445, 572325, 719075, 801255, 1121757, 1335425, 1869595, 2157225, 4006275, 5608785, 9347975, 28043925]

約数ペア:

[(1, 28043925), (3, 9347975), (5, 5608785), (7, 4006275), (13, 2157225), (15, 1869595), (21, 1335425), (25, 1121757), (35, 801255), (39, 719075), (49, 572325), (65, 431445), (75, 373919), (91, 308175), (105, 267085), (147, 190775), (175, 160251), (195, 143815), (245, 114465), (273, 102725), (325, 86289), (455, 61635), (525, 53417), (587, 47775), (637, 44025), (735, 38155), (975, 28763), (1225, 22893), (1365, 20545), (1761, 15925), (1911, 14675), (2275, 12327), (2935, 9555), (3185, 8805), (3675, 7631), (4109, 6825)]