28744886877

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{17431}}^1\times {\mathrm{4133}}^1$

素因数の和:21593

約数の個数: 32

約数和(自身を含む): 46120888320

約数和(自身を除く): 17376001443

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 4133, 12399, 17431, 28931, 52293, 78527, 86793, 122017, 235581, 331189, 366051, 549689, 993567, 1649067, 2318323, 6954969, 72042323, 216126969, 504296261, 1368804137, 1512888783, 4106412411, 9581628959, 28744886877]

約数ペア:

[(1, 28744886877), (3, 9581628959), (7, 4106412411), (19, 1512888783), (21, 1368804137), (57, 504296261), (133, 216126969), (399, 72042323), (4133, 6954969), (12399, 2318323), (17431, 1649067), (28931, 993567), (52293, 549689), (78527, 366051), (86793, 331189), (122017, 235581)]