20180959827

素因数分解:

$3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{2250581}}^1$

素因数の和:2250659

約数の個数: 24

約数和(自身を含む): 31814227152

約数和(自身を除く): 11633267325

約数列:

[1, 3, 7, 21, 49, 61, 147, 183, 427, 1281, 2989, 8967, 2250581, 6751743, 15754067, 47262201, 110278469, 137285441, 330835407, 411856323, 960998087, 2882994261, 6726986609, 20180959827]

約数ペア:

[(1, 20180959827), (3, 6726986609), (7, 2882994261), (21, 960998087), (49, 411856323), (61, 330835407), (147, 137285441), (183, 110278469), (427, 47262201), (1281, 15754067), (2989, 6751743), (8967, 2250581)]