420218505

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{859}}^1\times {\mathrm{1553}}^1$

素因数の和:2430

約数の個数: 48

約数和(自身を含む): 833938560

約数和(自身を除く): 413720055

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 859, 1553, 2577, 4295, 4659, 6013, 7731, 7765, 10871, 12885, 13977, 18039, 23295, 30065, 32613, 38655, 54117, 54355, 69885, 90195, 97839, 163065, 270585, 489195, 1334027, 4002081, 6670135, 9338189, 12006243, 20010405, 28014567, 46690945, 60031215, 84043701, 140072835, 420218505]

約数ペア:

[(1, 420218505), (3, 140072835), (5, 84043701), (7, 60031215), (9, 46690945), (15, 28014567), (21, 20010405), (35, 12006243), (45, 9338189), (63, 6670135), (105, 4002081), (315, 1334027), (859, 489195), (1553, 270585), (2577, 163065), (4295, 97839), (4659, 90195), (6013, 69885), (7731, 54355), (7765, 54117), (10871, 38655), (12885, 32613), (13977, 30065), (18039, 23295)]