216301755

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{3163}}^1$

素因数の和:3315

約数の個数: 32

約数和(自身を含む): 357202944

約数和(自身を除く): 140901189

約数列:

[1, 3, 5, 15, 47, 97, 141, 235, 291, 485, 705, 1455, 3163, 4559, 9489, 13677, 15815, 22795, 47445, 68385, 148661, 306811, 445983, 743305, 920433, 1534055, 2229915, 4602165, 14420117, 43260351, 72100585, 216301755]

約数ペア:

[(1, 216301755), (3, 72100585), (5, 43260351), (15, 14420117), (47, 4602165), (97, 2229915), (141, 1534055), (235, 920433), (291, 743305), (485, 445983), (705, 306811), (1455, 148661), (3163, 68385), (4559, 47445), (9489, 22795), (13677, 15815)]