648669

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:129

約数の個数: 32

約数和(自身を含む): 1105920

約数和(自身を除く): 457251

約数列:

[1, 3, 7, 17, 21, 23, 51, 69, 79, 119, 161, 237, 357, 391, 483, 553, 1173, 1343, 1659, 1817, 2737, 4029, 5451, 8211, 9401, 12719, 28203, 30889, 38157, 92667, 216223, 648669]

約数ペア:

[(1, 648669), (3, 216223), (7, 92667), (17, 38157), (21, 30889), (23, 28203), (51, 12719), (69, 9401), (79, 8211), (119, 5451), (161, 4029), (237, 2737), (357, 1817), (391, 1659), (483, 1343), (553, 1173)]