51457965

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{383}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 91072512

約数和(自身を除く): 39614547

約数列:

[1, 3, 5, 13, 15, 39, 53, 65, 159, 169, 195, 265, 383, 507, 689, 795, 845, 1149, 1915, 2067, 2535, 3445, 4979, 5745, 8957, 10335, 14937, 20299, 24895, 26871, 44785, 60897, 64727, 74685, 101495, 134355, 194181, 263887, 304485, 323635, 791661, 970905, 1319435, 3430531, 3958305, 10291593, 17152655, 51457965]

約数ペア:

[(1, 51457965), (3, 17152655), (5, 10291593), (13, 3958305), (15, 3430531), (39, 1319435), (53, 970905), (65, 791661), (159, 323635), (169, 304485), (195, 263887), (265, 194181), (383, 134355), (507, 101495), (689, 74685), (795, 64727), (845, 60897), (1149, 44785), (1915, 26871), (2067, 24895), (2535, 20299), (3445, 14937), (4979, 10335), (5745, 8957)]