72505839

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{6947}}^1$

素因数の和:7035

約数の個数: 24

約数和(自身を含む): 114058368

約数和(自身を除く): 41552529

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 497, 1491, 3479, 6947, 10437, 20841, 48629, 145887, 340403, 493237, 1021209, 1479711, 3452659, 10357977, 24168613, 72505839]

約数ペア:

[(1, 72505839), (3, 24168613), (7, 10357977), (21, 3452659), (49, 1479711), (71, 1021209), (147, 493237), (213, 340403), (497, 145887), (1491, 48629), (3479, 20841), (6947, 10437)]