72144639

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{18773}}^1$

素因数の和:18847

約数の個数: 24

約数和(自身を含む): 121054752

約数和(自身を除く): 48910113

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 18773, 56319, 131411, 168957, 394233, 1145153, 1182699, 3435459, 8016071, 10306377, 24048213, 72144639]

約数ペア:

[(1, 72144639), (3, 24048213), (7, 10306377), (9, 8016071), (21, 3435459), (61, 1182699), (63, 1145153), (183, 394233), (427, 168957), (549, 131411), (1281, 56319), (3843, 18773)]