28397241

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1609}}^1$

素因数の和:1705

約数の個数: 24

約数和(自身を含む): 42948360

約数和(自身を除く): 14551119

約数列:

[1, 3, 9, 37, 53, 111, 159, 333, 477, 1609, 1961, 4827, 5883, 14481, 17649, 59533, 85277, 178599, 255831, 535797, 767493, 3155249, 9465747, 28397241]

約数ペア:

[(1, 28397241), (3, 9465747), (9, 3155249), (37, 767493), (53, 535797), (111, 255831), (159, 178599), (333, 85277), (477, 59533), (1609, 17649), (1961, 14481), (4827, 5883)]