720763533

素因数分解:

$3^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{47869}}^1$

素因数の和:48121

約数の個数: 24

約数和(自身を含む): 1194835200

約数和(自身を除く): 474071667

約数列:

[1, 3, 7, 9, 21, 63, 239, 717, 1673, 2151, 5019, 15057, 47869, 143607, 335083, 430821, 1005249, 3015747, 11440691, 34322073, 80084837, 102966219, 240254511, 720763533]

約数ペア:

[(1, 720763533), (3, 240254511), (7, 102966219), (9, 80084837), (21, 34322073), (63, 11440691), (239, 3015747), (717, 1005249), (1673, 430821), (2151, 335083), (5019, 143607), (15057, 47869)]