666781201

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{97}}^1\times {\mathrm{311}}^1$

素因数の和:493

約数の個数: 24

約数和(自身を含む): 728687232

約数和(自身を除く): 61906031

約数列:

[1, 23, 31, 97, 311, 713, 961, 2231, 3007, 7153, 9641, 22103, 30167, 69161, 93217, 221743, 298871, 693841, 935177, 2143991, 6874033, 21509071, 28990487, 666781201]

約数ペア:

[(1, 666781201), (23, 28990487), (31, 21509071), (97, 6874033), (311, 2143991), (713, 935177), (961, 693841), (2231, 298871), (3007, 221743), (7153, 93217), (9641, 69161), (22103, 30167)]