4212225

素因数分解:

$3^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:306

約数の個数: 36

約数和(自身を含む): 7661836

約数和(自身を除く): 3449611

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 97, 193, 225, 291, 485, 579, 873, 965, 1455, 1737, 2425, 2895, 4365, 4825, 7275, 8685, 14475, 18721, 21825, 43425, 56163, 93605, 168489, 280815, 468025, 842445, 1404075, 4212225]

約数ペア:

[(1, 4212225), (3, 1404075), (5, 842445), (9, 468025), (15, 280815), (25, 168489), (45, 93605), (75, 56163), (97, 43425), (193, 21825), (225, 18721), (291, 14475), (485, 8685), (579, 7275), (873, 4825), (965, 4365), (1455, 2895), (1737, 2425)]