28161711

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{457}}^1$

素因数の和:671

約数の個数: 24

約数和(自身を含む): 42011424

約数和(自身を除く): 13849713

約数列:

[1, 3, 9, 41, 123, 167, 369, 457, 501, 1371, 1503, 4113, 6847, 18737, 20541, 56211, 61623, 76319, 168633, 228957, 686871, 3129079, 9387237, 28161711]

約数ペア:

[(1, 28161711), (3, 9387237), (9, 3129079), (41, 686871), (123, 228957), (167, 168633), (369, 76319), (457, 61623), (501, 56211), (1371, 20541), (1503, 18737), (4113, 6847)]