81121506

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{5393}}^1$

素因数の和:5530

約数の個数: 32

約数和(自身を含む): 170881920

約数和(自身を除く): 89760414

約数列:

[1, 2, 3, 6, 23, 46, 69, 109, 138, 218, 327, 654, 2507, 5014, 5393, 7521, 10786, 15042, 16179, 32358, 124039, 248078, 372117, 587837, 744234, 1175674, 1763511, 3527022, 13520251, 27040502, 40560753, 81121506]

約数ペア:

[(1, 81121506), (2, 40560753), (3, 27040502), (6, 13520251), (23, 3527022), (46, 1763511), (69, 1175674), (109, 744234), (138, 587837), (218, 372117), (327, 248078), (654, 124039), (2507, 32358), (5014, 16179), (5393, 15042), (7521, 10786)]