161728017

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1\times {\mathrm{379}}^1$

素因数の和:653

約数の個数: 32

約数和(自身を含む): 240622080

約数和(自身を除く): 78894063

約数列:

[1, 3, 11, 33, 67, 193, 201, 379, 579, 737, 1137, 2123, 2211, 4169, 6369, 12507, 12931, 25393, 38793, 73147, 76179, 142241, 219441, 279323, 426723, 804617, 837969, 2413851, 4900849, 14702547, 53909339, 161728017]

約数ペア:

[(1, 161728017), (3, 53909339), (11, 14702547), (33, 4900849), (67, 2413851), (193, 837969), (201, 804617), (379, 426723), (579, 279323), (737, 219441), (1137, 142241), (2123, 76179), (2211, 73147), (4169, 38793), (6369, 25393), (12507, 12931)]