218379675

素因数分解:

$3^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 369119232

約数和(自身を除く): 150739557

約数列:

[1, 3, 5, 15, 25, 75, 101, 127, 227, 303, 381, 505, 635, 681, 1135, 1515, 1905, 2525, 3175, 3405, 5675, 7575, 9525, 12827, 17025, 22927, 28829, 38481, 64135, 68781, 86487, 114635, 144145, 192405, 320675, 343905, 432435, 573175, 720725, 962025, 1719525, 2162175, 2911729, 8735187, 14558645, 43675935, 72793225, 218379675]

約数ペア:

[(1, 218379675), (3, 72793225), (5, 43675935), (15, 14558645), (25, 8735187), (75, 2911729), (101, 2162175), (127, 1719525), (227, 962025), (303, 720725), (381, 573175), (505, 432435), (635, 343905), (681, 320675), (1135, 192405), (1515, 144145), (1905, 114635), (2525, 86487), (3175, 68781), (3405, 64135), (5675, 38481), (7575, 28829), (9525, 22927), (12827, 17025)]