28090569

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{227}}^1$

素因数の和:429

約数の個数: 32

約数和(自身を含む): 42900480

約数和(自身を除く): 14809911

約数列:

[1, 3, 13, 19, 39, 57, 167, 227, 247, 501, 681, 741, 2171, 2951, 3173, 4313, 6513, 8853, 9519, 12939, 37909, 41249, 56069, 113727, 123747, 168207, 492817, 720271, 1478451, 2160813, 9363523, 28090569]

約数ペア:

[(1, 28090569), (3, 9363523), (13, 2160813), (19, 1478451), (39, 720271), (57, 492817), (167, 168207), (227, 123747), (247, 113727), (501, 56069), (681, 41249), (741, 37909), (2171, 12939), (2951, 9519), (3173, 8853), (4313, 6513)]