291239766

素因数分解:

$2^1\times 3^3\times {\mathrm{5393329}}^1$

素因数の和:5393340

約数の個数: 16

約数和(自身を含む): 647199600

約数和(自身を除く): 355959834

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 5393329, 10786658, 16179987, 32359974, 48539961, 97079922, 145619883, 291239766]

約数ペア:

[(1, 291239766), (2, 145619883), (3, 97079922), (6, 48539961), (9, 32359974), (18, 16179987), (27, 10786658), (54, 5393329)]