81270465

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{677}}^1$

素因数の和:889

約数の個数: 32

約数和(自身を含む): 133560576

約数和(自身を除く): 52290111

約数列:

[1, 3, 5, 15, 53, 151, 159, 265, 453, 677, 755, 795, 2031, 2265, 3385, 8003, 10155, 24009, 35881, 40015, 102227, 107643, 120045, 179405, 306681, 511135, 538215, 1533405, 5418031, 16254093, 27090155, 81270465]

約数ペア:

[(1, 81270465), (3, 27090155), (5, 16254093), (15, 5418031), (53, 1533405), (151, 538215), (159, 511135), (265, 306681), (453, 179405), (677, 120045), (755, 107643), (795, 102227), (2031, 40015), (2265, 35881), (3385, 24009), (8003, 10155)]