27981317

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{461}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 37255680

約数和(自身を除く): 9274363

約数列:

[1, 7, 13, 23, 29, 91, 161, 203, 299, 377, 461, 667, 2093, 2639, 3227, 4669, 5993, 8671, 10603, 13369, 41951, 60697, 74221, 93583, 137839, 173797, 307487, 964873, 1216579, 2152409, 3997331, 27981317]

約数ペア:

[(1, 27981317), (7, 3997331), (13, 2152409), (23, 1216579), (29, 964873), (91, 307487), (161, 173797), (203, 137839), (299, 93583), (377, 74221), (461, 60697), (667, 41951), (2093, 13369), (2639, 10603), (3227, 8671), (4669, 5993)]