201639915

素因数分解:

$3^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{3067}}^1$

素因数の和:3568

約数の個数: 32

約数和(自身を含む): 359324160

約数和(自身を除く): 157684245

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 487, 1461, 2435, 3067, 4383, 7305, 9201, 13149, 15335, 21915, 27603, 46005, 65745, 82809, 138015, 414045, 1493629, 4480887, 7468145, 13442661, 22404435, 40327983, 67213305, 201639915]

約数ペア:

[(1, 201639915), (3, 67213305), (5, 40327983), (9, 22404435), (15, 13442661), (27, 7468145), (45, 4480887), (135, 1493629), (487, 414045), (1461, 138015), (2435, 82809), (3067, 65745), (4383, 46005), (7305, 27603), (9201, 21915), (13149, 15335)]