72105705

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{617}}^1$

素因数の和:695

約数の個数: 72

約数和(自身を含む): 148371912

約数和(自身を除く): 76266207

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 53, 63, 105, 147, 159, 245, 265, 315, 371, 441, 477, 617, 735, 795, 1113, 1851, 1855, 2205, 2385, 2597, 3085, 3339, 4319, 5553, 5565, 7791, 9255, 12957, 12985, 16695, 21595, 23373, 27765, 30233, 32701, 38871, 38955, 64785, 90699, 98103, 116865, 151165, 163505, 194355, 228907, 272097, 294309, 453495, 490515, 686721, 1144535, 1360485, 1471545, 1602349, 2060163, 3433605, 4807047, 8011745, 10300815, 14421141, 24035235, 72105705]

約数ペア:

[(1, 72105705), (3, 24035235), (5, 14421141), (7, 10300815), (9, 8011745), (15, 4807047), (21, 3433605), (35, 2060163), (45, 1602349), (49, 1471545), (53, 1360485), (63, 1144535), (105, 686721), (147, 490515), (159, 453495), (245, 294309), (265, 272097), (315, 228907), (371, 194355), (441, 163505), (477, 151165), (617, 116865), (735, 98103), (795, 90699), (1113, 64785), (1851, 38955), (1855, 38871), (2205, 32701), (2385, 30233), (2597, 27765), (3085, 23373), (3339, 21595), (4319, 16695), (5553, 12985), (5565, 12957), (7791, 9255)]