72081615

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{4219}}^1$

素因数の和:4311

約数の個数: 32

約数和(自身を含む): 123966720

約数和(自身を除く): 51885105

約数列:

[1, 3, 5, 15, 17, 51, 67, 85, 201, 255, 335, 1005, 1139, 3417, 4219, 5695, 12657, 17085, 21095, 63285, 71723, 215169, 282673, 358615, 848019, 1075845, 1413365, 4240095, 4805441, 14416323, 24027205, 72081615]

約数ペア:

[(1, 72081615), (3, 24027205), (5, 14416323), (15, 4805441), (17, 4240095), (51, 1413365), (67, 1075845), (85, 848019), (201, 358615), (255, 282673), (335, 215169), (1005, 71723), (1139, 63285), (3417, 21095), (4219, 17085), (5695, 12657)]