291987132207

素因数分解:

$3^1\times {\mathrm{157}}^1\times {\mathrm{491}}^1\times {\mathrm{1262587}}^1$

素因数の和:1263238

約数の個数: 16

約数和(自身を含む): 392594163072

約数和(自身を除く): 100607030865

約数列:

[1, 3, 157, 471, 491, 1473, 77087, 231261, 1262587, 3787761, 198226159, 594678477, 619930217, 1859790651, 97329044069, 291987132207]

約数ペア:

[(1, 291987132207), (3, 97329044069), (157, 1859790651), (471, 619930217), (491, 594678477), (1473, 198226159), (77087, 3787761), (231261, 1262587)]