3131955

素因数分解:

$3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{881}}^1$

素因数の和:971

約数の個数: 24

約数和(自身を含む): 5503680

約数和(自身を除く): 2371725

約数列:

[1, 3, 5, 9, 15, 45, 79, 237, 395, 711, 881, 1185, 2643, 3555, 4405, 7929, 13215, 39645, 69599, 208797, 347995, 626391, 1043985, 3131955]

約数ペア:

[(1, 3131955), (3, 1043985), (5, 626391), (9, 347995), (15, 208797), (45, 69599), (79, 39645), (237, 13215), (395, 7929), (711, 4405), (881, 3555), (1185, 2643)]