679968639

素因数分解:

$3^2\times 7^2\times {\mathrm{1123}}^1\times {\mathrm{1373}}^1$

素因数の和:2516

約数の個数: 36

約数和(自身を含む): 1144382616

約数和(自身を除く): 464413977

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 1123, 1373, 3369, 4119, 7861, 9611, 10107, 12357, 23583, 28833, 55027, 67277, 70749, 86499, 165081, 201831, 495243, 605493, 1541879, 4625637, 10793153, 13876911, 32379459, 75552071, 97138377, 226656213, 679968639]

約数ペア:

[(1, 679968639), (3, 226656213), (7, 97138377), (9, 75552071), (21, 32379459), (49, 13876911), (63, 10793153), (147, 4625637), (441, 1541879), (1123, 605493), (1373, 495243), (3369, 201831), (4119, 165081), (7861, 86499), (9611, 70749), (10107, 67277), (12357, 55027), (23583, 28833)]