64642275

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{15121}}^1$

素因数の和:15156

約数の個数: 36

約数和(自身を含む): 121883320

約数和(自身を除く): 57241045

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 475, 855, 1425, 4275, 15121, 45363, 75605, 136089, 226815, 287299, 378025, 680445, 861897, 1134075, 1436495, 2585691, 3402225, 4309485, 7182475, 12928455, 21547425, 64642275]

約数ペア:

[(1, 64642275), (3, 21547425), (5, 12928455), (9, 7182475), (15, 4309485), (19, 3402225), (25, 2585691), (45, 1436495), (57, 1134075), (75, 861897), (95, 680445), (171, 378025), (225, 287299), (285, 226815), (475, 136089), (855, 75605), (1425, 45363), (4275, 15121)]