721162323

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{144899}}^1$

素因数の和:144991

約数の個数: 24

約数和(自身を含む): 1205568000

約数和(自身を除く): 484405677

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 553, 711, 1659, 4977, 144899, 434697, 1014293, 1304091, 3042879, 9128637, 11447021, 34341063, 80129147, 103023189, 240387441, 721162323]

約数ペア:

[(1, 721162323), (3, 240387441), (7, 103023189), (9, 80129147), (21, 34341063), (63, 11447021), (79, 9128637), (237, 3042879), (553, 1304091), (711, 1014293), (1659, 434697), (4977, 144899)]