65216931

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{307}}^1\times {\mathrm{419}}^1$

素因数の和:755

約数の個数: 24

約数和(自身を含む): 94691520

約数和(自身を除く): 29474589

約数列:

[1, 3, 13, 39, 169, 307, 419, 507, 921, 1257, 3991, 5447, 11973, 16341, 51883, 70811, 128633, 155649, 212433, 385899, 1672229, 5016687, 21738977, 65216931]

約数ペア:

[(1, 65216931), (3, 21738977), (13, 5016687), (39, 1672229), (169, 385899), (307, 212433), (419, 155649), (507, 128633), (921, 70811), (1257, 51883), (3991, 16341), (5447, 11973)]