7215579

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2161}}^1$

素因数の和:2227

約数の個数: 24

約数和(自身を含む): 12141792

約数和(自身を除く): 4926213

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 2161, 3339, 6483, 15127, 19449, 45381, 114533, 136143, 343599, 801731, 1030797, 2405193, 7215579]

約数ペア:

[(1, 7215579), (3, 2405193), (7, 1030797), (9, 801731), (21, 343599), (53, 136143), (63, 114533), (159, 45381), (371, 19449), (477, 15127), (1113, 6483), (2161, 3339)]