17789247

素因数分解:

$3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1543}}^1$

素因数の和:1620

約数の個数: 32

約数和(自身を含む): 30632960

約数和(自身を除く): 12843713

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 183, 189, 427, 549, 1281, 1543, 1647, 3843, 4629, 10801, 11529, 13887, 32403, 41661, 94123, 97209, 282369, 291627, 658861, 847107, 1976583, 2541321, 5929749, 17789247]

約数ペア:

[(1, 17789247), (3, 5929749), (7, 2541321), (9, 1976583), (21, 847107), (27, 658861), (61, 291627), (63, 282369), (183, 97209), (189, 94123), (427, 41661), (549, 32403), (1281, 13887), (1543, 11529), (1647, 10801), (3843, 4629)]