61386325

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 103437824

約数和(自身を除く): 42051499

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 77, 91, 121, 143, 175, 223, 275, 325, 385, 455, 605, 715, 847, 1001, 1115, 1561, 1573, 1925, 2275, 2453, 2899, 3025, 3575, 4235, 5005, 5575, 7805, 7865, 11011, 12265, 14495, 17171, 20293, 21175, 25025, 26983, 31889, 39025, 39325, 55055, 61325, 72475, 85855, 101465, 134915, 159445, 188881, 223223, 275275, 350779, 429275, 507325, 674575, 797225, 944405, 1116115, 1753895, 2455453, 4722025, 5580575, 8769475, 12277265, 61386325]

約数ペア:

[(1, 61386325), (5, 12277265), (7, 8769475), (11, 5580575), (13, 4722025), (25, 2455453), (35, 1753895), (55, 1116115), (65, 944405), (77, 797225), (91, 674575), (121, 507325), (143, 429275), (175, 350779), (223, 275275), (275, 223223), (325, 188881), (385, 159445), (455, 134915), (605, 101465), (715, 85855), (847, 72475), (1001, 61325), (1115, 55055), (1561, 39325), (1573, 39025), (1925, 31889), (2275, 26983), (2453, 25025), (2899, 21175), (3025, 20293), (3575, 17171), (4235, 14495), (5005, 12265), (5575, 11011), (7805, 7865)]