2720403

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1489}}^1$

素因数の和:1531

約数の個数: 24

約数和(自身を含む): 4648800

約数和(自身を除く): 1928397

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1489, 1827, 4467, 10423, 13401, 31269, 43181, 93807, 129543, 302267, 388629, 906801, 2720403]

約数ペア:

[(1, 2720403), (3, 906801), (7, 388629), (9, 302267), (21, 129543), (29, 93807), (63, 43181), (87, 31269), (203, 13401), (261, 10423), (609, 4467), (1489, 1827)]