71097291

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{491}}^1$

素因数の和:704

約数の個数: 32

約数和(自身を含む): 109578240

約数和(自身を除く): 38480949

約数列:

[1, 3, 9, 27, 31, 93, 173, 279, 491, 519, 837, 1473, 1557, 4419, 4671, 5363, 13257, 15221, 16089, 45663, 48267, 84943, 136989, 144801, 254829, 410967, 764487, 2293461, 2633233, 7899699, 23699097, 71097291]

約数ペア:

[(1, 71097291), (3, 23699097), (9, 7899699), (27, 2633233), (31, 2293461), (93, 764487), (173, 410967), (279, 254829), (491, 144801), (519, 136989), (837, 84943), (1473, 48267), (1557, 45663), (4419, 16089), (4671, 15221), (5363, 13257)]