31215195

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3319}}^1$

素因数の和:3360

約数の個数: 48

約数和(自身を含む): 62150400

約数和(自身を除く): 30935205

約数列:

[1, 3, 5, 9, 11, 15, 19, 33, 45, 55, 57, 95, 99, 165, 171, 209, 285, 495, 627, 855, 1045, 1881, 3135, 3319, 9405, 9957, 16595, 29871, 36509, 49785, 63061, 109527, 149355, 182545, 189183, 315305, 328581, 547635, 567549, 693671, 945915, 1642905, 2081013, 2837745, 3468355, 6243039, 10405065, 31215195]

約数ペア:

[(1, 31215195), (3, 10405065), (5, 6243039), (9, 3468355), (11, 2837745), (15, 2081013), (19, 1642905), (33, 945915), (45, 693671), (55, 567549), (57, 547635), (95, 328581), (99, 315305), (165, 189183), (171, 182545), (209, 149355), (285, 109527), (495, 63061), (627, 49785), (855, 36509), (1045, 29871), (1881, 16595), (3135, 9957), (3319, 9405)]