22747221

素因数分解:

$3^2\times 7^2\times {\mathrm{51581}}^1$

素因数の和:51601

約数の個数: 18

約数和(自身を含む): 38222262

約数和(自身を除く): 15475041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 51581, 154743, 361067, 464229, 1083201, 2527469, 3249603, 7582407, 22747221]

約数ペア:

[(1, 22747221), (3, 7582407), (7, 3249603), (9, 2527469), (21, 1083201), (49, 464229), (63, 361067), (147, 154743), (441, 51581)]