890757525

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{12757}}^1$

素因数の和:12803

約数の個数: 72

約数和(自身を含む): 1803470880

約数和(自身を除く): 912713355

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 49, 57, 75, 95, 105, 133, 147, 175, 245, 285, 399, 475, 525, 665, 735, 931, 1225, 1425, 1995, 2793, 3325, 3675, 4655, 9975, 12757, 13965, 23275, 38271, 63785, 69825, 89299, 191355, 242383, 267897, 318925, 446495, 625093, 727149, 956775, 1211915, 1339485, 1696681, 1875279, 2232475, 3125465, 3635745, 5090043, 6059575, 6697425, 8483405, 9376395, 11876767, 15627325, 18178725, 25450215, 35630301, 42417025, 46881975, 59383835, 127251075, 178151505, 296919175, 890757525]

約数ペア:

[(1, 890757525), (3, 296919175), (5, 178151505), (7, 127251075), (15, 59383835), (19, 46881975), (21, 42417025), (25, 35630301), (35, 25450215), (49, 18178725), (57, 15627325), (75, 11876767), (95, 9376395), (105, 8483405), (133, 6697425), (147, 6059575), (175, 5090043), (245, 3635745), (285, 3125465), (399, 2232475), (475, 1875279), (525, 1696681), (665, 1339485), (735, 1211915), (931, 956775), (1225, 727149), (1425, 625093), (1995, 446495), (2793, 318925), (3325, 267897), (3675, 242383), (4655, 191355), (9975, 89299), (12757, 69825), (13965, 63785), (23275, 38271)]