31095279

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{263}}^1$

素因数の和:452

約数の個数: 32

約数和(自身を含む): 48153600

約数和(自身を除く): 17058321

約数列:

[1, 3, 9, 27, 29, 87, 151, 261, 263, 453, 783, 789, 1359, 2367, 4077, 4379, 7101, 7627, 13137, 22881, 39411, 39713, 68643, 118233, 119139, 205929, 357417, 1072251, 1151677, 3455031, 10365093, 31095279]

約数ペア:

[(1, 31095279), (3, 10365093), (9, 3455031), (27, 1151677), (29, 1072251), (87, 357417), (151, 205929), (261, 119139), (263, 118233), (453, 68643), (783, 39713), (789, 39411), (1359, 22881), (2367, 13137), (4077, 7627), (4379, 7101)]