12638325

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 25727520

約数和(自身を除く): 13089195

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 49, 57, 75, 95, 105, 133, 147, 175, 181, 245, 285, 399, 475, 525, 543, 665, 735, 905, 931, 1225, 1267, 1425, 1995, 2715, 2793, 3325, 3439, 3675, 3801, 4525, 4655, 6335, 8869, 9975, 10317, 13575, 13965, 17195, 19005, 23275, 24073, 26607, 31675, 44345, 51585, 69825, 72219, 85975, 95025, 120365, 133035, 168511, 221725, 257925, 361095, 505533, 601825, 665175, 842555, 1805475, 2527665, 4212775, 12638325]

約数ペア:

[(1, 12638325), (3, 4212775), (5, 2527665), (7, 1805475), (15, 842555), (19, 665175), (21, 601825), (25, 505533), (35, 361095), (49, 257925), (57, 221725), (75, 168511), (95, 133035), (105, 120365), (133, 95025), (147, 85975), (175, 72219), (181, 69825), (245, 51585), (285, 44345), (399, 31675), (475, 26607), (525, 24073), (543, 23275), (665, 19005), (735, 17195), (905, 13965), (931, 13575), (1225, 10317), (1267, 9975), (1425, 8869), (1995, 6335), (2715, 4655), (2793, 4525), (3325, 3801), (3439, 3675)]