201356721

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{907}}^1\times {\mathrm{1451}}^1$

素因数の和:2381

約数の個数: 24

約数和(自身を含む): 308509344

約数和(自身を除く): 107152623

約数列:

[1, 3, 9, 17, 51, 153, 907, 1451, 2721, 4353, 8163, 13059, 15419, 24667, 46257, 74001, 138771, 222003, 1316057, 3948171, 11844513, 22372969, 67118907, 201356721]

約数ペア:

[(1, 201356721), (3, 67118907), (9, 22372969), (17, 11844513), (51, 3948171), (153, 1316057), (907, 222003), (1451, 138771), (2721, 74001), (4353, 46257), (8163, 24667), (13059, 15419)]