72845355

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{2963}}^1$

素因数の和:3131

約数の個数: 32

約数和(自身を含む): 128044800

約数和(自身を除く): 55199445

約数列:

[1, 3, 5, 11, 15, 33, 55, 149, 165, 447, 745, 1639, 2235, 2963, 4917, 8195, 8889, 14815, 24585, 32593, 44445, 97779, 162965, 441487, 488895, 1324461, 2207435, 4856357, 6622305, 14569071, 24281785, 72845355]

約数ペア:

[(1, 72845355), (3, 24281785), (5, 14569071), (11, 6622305), (15, 4856357), (33, 2207435), (55, 1324461), (149, 488895), (165, 441487), (447, 162965), (745, 97779), (1639, 44445), (2235, 32593), (2963, 24585), (4917, 14815), (8195, 8889)]