11991993

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{461}}^1$

素因数の和:529

約数の個数: 32

約数和(自身を含む): 18627840

約数和(自身を除く): 6635847

約数列:

[1, 3, 13, 23, 29, 39, 69, 87, 299, 377, 461, 667, 897, 1131, 1383, 2001, 5993, 8671, 10603, 13369, 17979, 26013, 31809, 40107, 137839, 173797, 307487, 413517, 521391, 922461, 3997331, 11991993]

約数ペア:

[(1, 11991993), (3, 3997331), (13, 922461), (23, 521391), (29, 413517), (39, 307487), (69, 173797), (87, 137839), (299, 40107), (377, 31809), (461, 26013), (667, 17979), (897, 13369), (1131, 10603), (1383, 8671), (2001, 5993)]