25421697

素因数分解:

$3^2\times 7^1\times {\mathrm{271}}^1\times {\mathrm{1489}}^1$

素因数の和:1773

約数の個数: 24

約数和(自身を含む): 42149120

約数和(自身を除く): 16727423

約数列:

[1, 3, 7, 9, 21, 63, 271, 813, 1489, 1897, 2439, 4467, 5691, 10423, 13401, 17073, 31269, 93807, 403519, 1210557, 2824633, 3631671, 8473899, 25421697]

約数ペア:

[(1, 25421697), (3, 8473899), (7, 3631671), (9, 2824633), (21, 1210557), (63, 403519), (271, 93807), (813, 31269), (1489, 17073), (1897, 13401), (2439, 10423), (4467, 5691)]