290781231

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{19777}}^1$

素因数の和:19835

約数の個数: 24

約数和(自身を含む): 434324880

約数和(自身を除く): 143543649

約数列:

[1, 3, 13, 29, 39, 87, 169, 377, 507, 1131, 4901, 14703, 19777, 59331, 257101, 573533, 771303, 1720599, 3342313, 7455929, 10026939, 22367787, 96927077, 290781231]

約数ペア:

[(1, 290781231), (3, 96927077), (13, 22367787), (29, 10026939), (39, 7455929), (87, 3342313), (169, 1720599), (377, 771303), (507, 573533), (1131, 257101), (4901, 59331), (14703, 19777)]