25073181

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{571}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 44972928

約数和(自身を除く): 19899747

約数列:

[1, 3, 7, 9, 17, 21, 41, 51, 63, 119, 123, 153, 287, 357, 369, 571, 697, 861, 1071, 1713, 2091, 2583, 3997, 4879, 5139, 6273, 9707, 11991, 14637, 23411, 29121, 35973, 43911, 67949, 70233, 87363, 163877, 203847, 210699, 397987, 491631, 611541, 1193961, 1474893, 2785909, 3581883, 8357727, 25073181]

約数ペア:

[(1, 25073181), (3, 8357727), (7, 3581883), (9, 2785909), (17, 1474893), (21, 1193961), (41, 611541), (51, 491631), (63, 397987), (119, 210699), (123, 203847), (153, 163877), (287, 87363), (357, 70233), (369, 67949), (571, 43911), (697, 35973), (861, 29121), (1071, 23411), (1713, 14637), (2091, 11991), (2583, 9707), (3997, 6273), (4879, 5139)]