51117399

素因数分解:

$3^4\times {\mathrm{421}}^1\times {\mathrm{1499}}^1$

素因数の和:1932

約数の個数: 20

約数和(自身を含む): 76593000

約数和(自身を除く): 25475601

約数列:

[1, 3, 9, 27, 81, 421, 1263, 1499, 3789, 4497, 11367, 13491, 34101, 40473, 121419, 631079, 1893237, 5679711, 17039133, 51117399]

約数ペア:

[(1, 51117399), (3, 17039133), (9, 5679711), (27, 1893237), (81, 631079), (421, 121419), (1263, 40473), (1499, 34101), (3789, 13491), (4497, 11367)]