202319289

素因数分解:

$3^4\times {\mathrm{389}}^1\times {\mathrm{6421}}^1$

素因数の和:6822

約数の個数: 20

約数和(自身を含む): 303054180

約数和(自身を除く): 100734891

約数列:

[1, 3, 9, 27, 81, 389, 1167, 3501, 6421, 10503, 19263, 31509, 57789, 173367, 520101, 2497769, 7493307, 22479921, 67439763, 202319289]

約数ペア:

[(1, 202319289), (3, 67439763), (9, 22479921), (27, 7493307), (81, 2497769), (389, 520101), (1167, 173367), (3501, 57789), (6421, 31509), (10503, 19263)]