72708009

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{21391}}^1$

素因数の和:21508

約数の個数: 16

約数和(自身を含む): 106788864

約数和(自身を除く): 34080855

約数列:

[1, 3, 11, 33, 103, 309, 1133, 3399, 21391, 64173, 235301, 705903, 2203273, 6609819, 24236003, 72708009]

約数ペア:

[(1, 72708009), (3, 24236003), (11, 6609819), (33, 2203273), (103, 705903), (309, 235301), (1133, 64173), (3399, 21391)]