23957271

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{829}}^1$

素因数の和:880

約数の個数: 36

約数和(自身を含む): 39491400

約数和(自身を除く): 15534129

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 169, 171, 247, 507, 741, 829, 1521, 2223, 2487, 3211, 7461, 9633, 10777, 15751, 28899, 32331, 47253, 96993, 140101, 141759, 204763, 420303, 614289, 1260909, 1842867, 2661919, 7985757, 23957271]

約数ペア:

[(1, 23957271), (3, 7985757), (9, 2661919), (13, 1842867), (19, 1260909), (39, 614289), (57, 420303), (117, 204763), (169, 141759), (171, 140101), (247, 96993), (507, 47253), (741, 32331), (829, 28899), (1521, 15751), (2223, 10777), (2487, 9633), (3211, 7461)]