87131241

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{52903}}^1$

素因数の和:52973

約数の個数: 16

約数和(自身を含む): 131201920

約数和(自身を除く): 44070679

約数列:

[1, 3, 9, 27, 61, 183, 549, 1647, 52903, 158709, 476127, 1428381, 3227083, 9681249, 29043747, 87131241]

約数ペア:

[(1, 87131241), (3, 29043747), (9, 9681249), (27, 3227083), (61, 1428381), (183, 476127), (549, 158709), (1647, 52903)]