215418

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:258

約数の個数: 32

約数和(自身を含む): 516096

約数和(自身を除く): 300678

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 138, 161, 223, 322, 446, 483, 669, 966, 1338, 1561, 3122, 4683, 5129, 9366, 10258, 15387, 30774, 35903, 71806, 107709, 215418]

約数ペア:

[(1, 215418), (2, 107709), (3, 71806), (6, 35903), (7, 30774), (14, 15387), (21, 10258), (23, 9366), (42, 5129), (46, 4683), (69, 3122), (138, 1561), (161, 1338), (223, 966), (322, 669), (446, 483)]