28305891

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{1097}}^1$

素因数の和:1211

約数の個数: 24

約数和(自身を含む): 42479424

約数和(自身を除く): 14173533

約数列:

[1, 3, 9, 47, 61, 141, 183, 423, 549, 1097, 2867, 3291, 8601, 9873, 25803, 51559, 66917, 154677, 200751, 464031, 602253, 3145099, 9435297, 28305891]

約数ペア:

[(1, 28305891), (3, 9435297), (9, 3145099), (47, 602253), (61, 464031), (141, 200751), (183, 154677), (423, 66917), (549, 51559), (1097, 25803), (2867, 9873), (3291, 8601)]