28709467245

素因数分解:

$3^2\times 5^1\times {\mathrm{637988161}}^1$

素因数の和:637988172

約数の個数: 12

約数和(自身を含む): 49763076636

約数和(自身を除く): 21053609391

約数列:

[1, 3, 5, 9, 15, 45, 637988161, 1913964483, 3189940805, 5741893449, 9569822415, 28709467245]

約数ペア:

[(1, 28709467245), (3, 9569822415), (5, 5741893449), (9, 3189940805), (15, 1913964483), (45, 637988161)]