890257557

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{7351}}^1$

素因数の和:7513

約数の個数: 32

約数和(自身を含む): 1392762880

約数和(自身を除く): 502505323

約数列:

[1, 3, 7, 21, 73, 79, 219, 237, 511, 553, 1533, 1659, 5767, 7351, 17301, 22053, 40369, 51457, 121107, 154371, 536623, 580729, 1609869, 1742187, 3756361, 4065103, 11269083, 12195309, 42393217, 127179651, 296752519, 890257557]

約数ペア:

[(1, 890257557), (3, 296752519), (7, 127179651), (21, 42393217), (73, 12195309), (79, 11269083), (219, 4065103), (237, 3756361), (511, 1742187), (553, 1609869), (1533, 580729), (1659, 536623), (5767, 154371), (7351, 121107), (17301, 51457), (22053, 40369)]