1680273

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:341

約数の個数: 24

約数和(自身を含む): 2808000

約数和(自身を除く): 1127727

約数列:

[1, 3, 7, 9, 21, 63, 149, 179, 447, 537, 1043, 1253, 1341, 1611, 3129, 3759, 9387, 11277, 26671, 80013, 186697, 240039, 560091, 1680273]

約数ペア:

[(1, 1680273), (3, 560091), (7, 240039), (9, 186697), (21, 80013), (63, 26671), (149, 11277), (179, 9387), (447, 3759), (537, 3129), (1043, 1611), (1253, 1341)]