81521928

素因数分解:

$2^3\times 3^2\times {\mathrm{1132249}}^1$

素因数の和:1132261

約数の個数: 24

約数和(自身を含む): 220788750

約数和(自身を除く): 139266822

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1132249, 2264498, 3396747, 4528996, 6793494, 9057992, 10190241, 13586988, 20380482, 27173976, 40760964, 81521928]

約数ペア:

[(1, 81521928), (2, 40760964), (3, 27173976), (4, 20380482), (6, 13586988), (8, 10190241), (9, 9057992), (12, 6793494), (18, 4528996), (24, 3396747), (36, 2264498), (72, 1132249)]