72501819

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{617}}^1$

素因数の和:787

約数の個数: 32

約数和(自身を含む): 109638144

約数和(自身を除く): 37136325

約数列:

[1, 3, 13, 23, 39, 69, 131, 299, 393, 617, 897, 1703, 1851, 3013, 5109, 8021, 9039, 14191, 24063, 39169, 42573, 80827, 117507, 184483, 242481, 553449, 1050751, 1859021, 3152253, 5577063, 24167273, 72501819]

約数ペア:

[(1, 72501819), (3, 24167273), (13, 5577063), (23, 3152253), (39, 1859021), (69, 1050751), (131, 553449), (299, 242481), (393, 184483), (617, 117507), (897, 80827), (1703, 42573), (1851, 39169), (3013, 24063), (5109, 14191), (8021, 9039)]