80130813

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{241}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 124895232

約数和(自身を除く): 44764419

約数列:

[1, 3, 7, 21, 71, 213, 223, 241, 497, 669, 723, 1491, 1561, 1687, 4683, 5061, 15833, 17111, 47499, 51333, 53743, 110831, 119777, 161229, 332493, 359331, 376201, 1128603, 3815753, 11447259, 26710271, 80130813]

約数ペア:

[(1, 80130813), (3, 26710271), (7, 11447259), (21, 3815753), (71, 1128603), (213, 376201), (223, 359331), (241, 332493), (497, 161229), (669, 119777), (723, 110831), (1491, 53743), (1561, 51333), (1687, 47499), (4683, 17111), (5061, 15833)]