81725778

素因数分解:

$2^1\times 3^2\times {\mathrm{1801}}^1\times {\mathrm{2521}}^1$

素因数の和:4330

約数の個数: 24

約数和(自身を含む): 177241116

約数和(自身を除く): 95515338

約数列:

[1, 2, 3, 6, 9, 18, 1801, 2521, 3602, 5042, 5403, 7563, 10806, 15126, 16209, 22689, 32418, 45378, 4540321, 9080642, 13620963, 27241926, 40862889, 81725778]

約数ペア:

[(1, 81725778), (2, 40862889), (3, 27241926), (6, 13620963), (9, 9080642), (18, 4540321), (1801, 45378), (2521, 32418), (3602, 22689), (5042, 16209), (5403, 15126), (7563, 10806)]