31081479

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1367}}^1$

素因数の和:1447

約数の個数: 32

約数和(自身を含む): 49641984

約数和(自身を除く): 18560505

約数列:

[1, 3, 11, 13, 33, 39, 53, 143, 159, 429, 583, 689, 1367, 1749, 2067, 4101, 7579, 15037, 17771, 22737, 45111, 53313, 72451, 195481, 217353, 586443, 796961, 941863, 2390883, 2825589, 10360493, 31081479]

約数ペア:

[(1, 31081479), (3, 10360493), (11, 2825589), (13, 2390883), (33, 941863), (39, 796961), (53, 586443), (143, 217353), (159, 195481), (429, 72451), (583, 53313), (689, 45111), (1367, 22737), (1749, 17771), (2067, 15037), (4101, 7579)]