17890803

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12347}}^1$

素因数の和:12383

約数の個数: 24

約数和(自身を含む): 30820608

約数和(自身を除く): 12929805

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 12347, 37041, 86429, 111123, 259287, 283981, 777861, 851943, 1987867, 2555829, 5963601, 17890803]

約数ペア:

[(1, 17890803), (3, 5963601), (7, 2555829), (9, 1987867), (21, 851943), (23, 777861), (63, 283981), (69, 259287), (161, 111123), (207, 86429), (483, 37041), (1449, 12347)]