161729463

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{1021}}^1$

素因数の和:1447

約数の個数: 32

約数和(自身を含む): 260323840

約数和(自身を除く): 98594377

約数列:

[1, 3, 7, 19, 21, 57, 133, 397, 399, 1021, 1191, 2779, 3063, 7147, 7543, 8337, 19399, 21441, 22629, 52801, 58197, 135793, 158403, 405337, 407379, 1216011, 2837359, 7701403, 8512077, 23104209, 53909821, 161729463]

約数ペア:

[(1, 161729463), (3, 53909821), (7, 23104209), (19, 8512077), (21, 7701403), (57, 2837359), (133, 1216011), (397, 407379), (399, 405337), (1021, 158403), (1191, 135793), (2779, 58197), (3063, 52801), (7147, 22629), (7543, 21441), (8337, 19399)]