289772979

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{491}}^1\times {\mathrm{1549}}^1$

素因数の和:2170

約数の個数: 16

約数和(自身を含む): 390451200

約数和(自身を除く): 100678221

約数列:

[1, 3, 127, 381, 491, 1473, 1549, 4647, 62357, 187071, 196723, 590169, 760559, 2281677, 96590993, 289772979]

約数ペア:

[(1, 289772979), (3, 96590993), (127, 2281677), (381, 760559), (491, 590169), (1473, 196723), (1549, 187071), (4647, 62357)]