30003981

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 47308800

約数和(自身を除く): 17304819

約数列:

[1, 3, 7, 21, 43, 129, 149, 223, 301, 447, 669, 903, 1043, 1561, 3129, 4683, 6407, 9589, 19221, 28767, 33227, 44849, 67123, 99681, 134547, 201369, 232589, 697767, 1428761, 4286283, 10001327, 30003981]

約数ペア:

[(1, 30003981), (3, 10001327), (7, 4286283), (21, 1428761), (43, 697767), (129, 232589), (149, 201369), (223, 134547), (301, 99681), (447, 67123), (669, 44849), (903, 33227), (1043, 28767), (1561, 19221), (3129, 9589), (4683, 6407)]