280185873

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{227}}^1\times {\mathrm{331}}^1$

素因数の和:685

約数の個数: 32

約数和(自身を含む): 414208512

約数和(自身を除く): 134022639

約数列:

[1, 3, 11, 33, 113, 227, 331, 339, 681, 993, 1243, 2497, 3641, 3729, 7491, 10923, 25651, 37403, 75137, 76953, 112209, 225411, 282161, 411433, 826507, 846483, 1234299, 2479521, 8490481, 25471443, 93395291, 280185873]

約数ペア:

[(1, 280185873), (3, 93395291), (11, 25471443), (33, 8490481), (113, 2479521), (227, 1234299), (331, 846483), (339, 826507), (681, 411433), (993, 282161), (1243, 225411), (2497, 112209), (3641, 76953), (3729, 75137), (7491, 37403), (10923, 25651)]