209533275

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{769}}^1$

素因数の和:965

約数の個数: 72

約数和(自身を含む): 431951520

約数和(自身を除く): 222418245

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 173, 175, 225, 315, 519, 525, 769, 865, 1211, 1557, 1575, 2307, 2595, 3633, 3845, 4325, 5383, 6055, 6921, 7785, 10899, 11535, 12975, 16149, 18165, 19225, 26915, 30275, 34605, 38925, 48447, 54495, 57675, 80745, 90825, 133037, 134575, 173025, 242235, 272475, 399111, 403725, 665185, 931259, 1197333, 1211175, 1995555, 2793777, 3325925, 4656295, 5986665, 8381331, 9977775, 13968885, 23281475, 29933325, 41906655, 69844425, 209533275]

約数ペア:

[(1, 209533275), (3, 69844425), (5, 41906655), (7, 29933325), (9, 23281475), (15, 13968885), (21, 9977775), (25, 8381331), (35, 5986665), (45, 4656295), (63, 3325925), (75, 2793777), (105, 1995555), (173, 1211175), (175, 1197333), (225, 931259), (315, 665185), (519, 403725), (525, 399111), (769, 272475), (865, 242235), (1211, 173025), (1557, 134575), (1575, 133037), (2307, 90825), (2595, 80745), (3633, 57675), (3845, 54495), (4325, 48447), (5383, 38925), (6055, 34605), (6921, 30275), (7785, 26915), (10899, 19225), (11535, 18165), (12975, 16149)]