421804995

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1\times {\mathrm{2153}}^1$

素因数の和:2551

約数の個数: 32

約数和(自身を含む): 695414592

約数和(自身を除く): 273609597

約数列:

[1, 3, 5, 15, 37, 111, 185, 353, 555, 1059, 1765, 2153, 5295, 6459, 10765, 13061, 32295, 39183, 65305, 79661, 195915, 238983, 398305, 760009, 1194915, 2280027, 3800045, 11400135, 28120333, 84360999, 140601665, 421804995]

約数ペア:

[(1, 421804995), (3, 140601665), (5, 84360999), (15, 28120333), (37, 11400135), (111, 3800045), (185, 2280027), (353, 1194915), (555, 760009), (1059, 398305), (1765, 238983), (2153, 195915), (5295, 79661), (6459, 65305), (10765, 39183), (13061, 32295)]