71291241

素因数分解:

$3^2\times 7^1\times {\mathrm{761}}^1\times {\mathrm{1487}}^1$

素因数の和:2261

約数の個数: 24

約数和(自身を含む): 117921024

約数和(自身を除く): 46629783

約数列:

[1, 3, 7, 9, 21, 63, 761, 1487, 2283, 4461, 5327, 6849, 10409, 13383, 15981, 31227, 47943, 93681, 1131607, 3394821, 7921249, 10184463, 23763747, 71291241]

約数ペア:

[(1, 71291241), (3, 23763747), (7, 10184463), (9, 7921249), (21, 3394821), (63, 1131607), (761, 93681), (1487, 47943), (2283, 31227), (4461, 15981), (5327, 13383), (6849, 10409)]