72990885

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{1597}}^1$

素因数の和:1893

約数の個数: 32

約数和(自身を含む): 127942272

約数和(自身を除く): 54951387

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 277, 831, 1385, 1597, 3047, 4155, 4791, 7985, 9141, 15235, 17567, 23955, 45705, 52701, 87835, 263505, 442369, 1327107, 2211845, 4866059, 6635535, 14598177, 24330295, 72990885]

約数ペア:

[(1, 72990885), (3, 24330295), (5, 14598177), (11, 6635535), (15, 4866059), (33, 2211845), (55, 1327107), (165, 442369), (277, 263505), (831, 87835), (1385, 52701), (1597, 45705), (3047, 23955), (4155, 17567), (4791, 15235), (7985, 9141)]