212345859

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{4721}}^1$

素因数の和:4811

約数の個数: 32

約数和(自身を含む): 326384640

約数和(自身を除く): 114038781

約数列:

[1, 3, 11, 29, 33, 47, 87, 141, 319, 517, 957, 1363, 1551, 4089, 4721, 14163, 14993, 44979, 51931, 136909, 155793, 221887, 410727, 665661, 1505999, 2440757, 4517997, 6434723, 7322271, 19304169, 70781953, 212345859]

約数ペア:

[(1, 212345859), (3, 70781953), (11, 19304169), (29, 7322271), (33, 6434723), (47, 4517997), (87, 2440757), (141, 1505999), (319, 665661), (517, 410727), (957, 221887), (1363, 155793), (1551, 136909), (4089, 51931), (4721, 44979), (14163, 14993)]