71907465

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 137281536

約数和(自身を除く): 65374071

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 83, 105, 111, 185, 223, 249, 259, 415, 555, 581, 669, 777, 1115, 1245, 1295, 1561, 1743, 2905, 3071, 3345, 3885, 4683, 7805, 8251, 8715, 9213, 15355, 18509, 21497, 23415, 24753, 41255, 46065, 55527, 57757, 64491, 92545, 107485, 123765, 129563, 173271, 277635, 288785, 322455, 388689, 647815, 684833, 866355, 1943445, 2054499, 3424165, 4793831, 10272495, 14381493, 23969155, 71907465]

約数ペア:

[(1, 71907465), (3, 23969155), (5, 14381493), (7, 10272495), (15, 4793831), (21, 3424165), (35, 2054499), (37, 1943445), (83, 866355), (105, 684833), (111, 647815), (185, 388689), (223, 322455), (249, 288785), (259, 277635), (415, 173271), (555, 129563), (581, 123765), (669, 107485), (777, 92545), (1115, 64491), (1245, 57757), (1295, 55527), (1561, 46065), (1743, 41255), (2905, 24753), (3071, 23415), (3345, 21497), (3885, 18509), (4683, 15355), (7805, 9213), (8251, 8715)]