40197915

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{30803}}^1$

素因数の和:30843

約数の個数: 24

約数和(自身を含む): 72081360

約数和(自身を除く): 31883445

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 30803, 92409, 154015, 277227, 462045, 893287, 1386135, 2679861, 4466435, 8039583, 13399305, 40197915]

約数ペア:

[(1, 40197915), (3, 13399305), (5, 8039583), (9, 4466435), (15, 2679861), (29, 1386135), (45, 893287), (87, 462045), (145, 277227), (261, 154015), (435, 92409), (1305, 30803)]