31270029

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{719}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 50688000

約数和(自身を除く): 19417971

約数列:

[1, 3, 7, 19, 21, 57, 109, 133, 327, 399, 719, 763, 2071, 2157, 2289, 5033, 6213, 13661, 14497, 15099, 40983, 43491, 78371, 95627, 235113, 286881, 548597, 1489049, 1645791, 4467147, 10423343, 31270029]

約数ペア:

[(1, 31270029), (3, 10423343), (7, 4467147), (19, 1645791), (21, 1489049), (57, 548597), (109, 286881), (133, 235113), (327, 95627), (399, 78371), (719, 43491), (763, 40983), (2071, 15099), (2157, 14497), (2289, 13661), (5033, 6213)]