205515711

素因数分解:

$3^4\times {\mathrm{167}}^1\times {\mathrm{15193}}^1$

素因数の和:15372

約数の個数: 20

約数和(自身を含む): 308863632

約数和(自身を除く): 103347921

約数列:

[1, 3, 9, 27, 81, 167, 501, 1503, 4509, 13527, 15193, 45579, 136737, 410211, 1230633, 2537231, 7611693, 22835079, 68505237, 205515711]

約数ペア:

[(1, 205515711), (3, 68505237), (9, 22835079), (27, 7611693), (81, 2537231), (167, 1230633), (501, 410211), (1503, 136737), (4509, 45579), (13527, 15193)]