3947685

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 7584192

約数和(自身を除く): 3636507

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 49, 105, 123, 131, 147, 205, 245, 287, 393, 615, 655, 735, 861, 917, 1435, 1965, 2009, 2751, 4305, 4585, 5371, 6027, 6419, 10045, 13755, 16113, 19257, 26855, 30135, 32095, 37597, 80565, 96285, 112791, 187985, 263179, 563955, 789537, 1315895, 3947685]

約数ペア:

[(1, 3947685), (3, 1315895), (5, 789537), (7, 563955), (15, 263179), (21, 187985), (35, 112791), (41, 96285), (49, 80565), (105, 37597), (123, 32095), (131, 30135), (147, 26855), (205, 19257), (245, 16113), (287, 13755), (393, 10045), (615, 6419), (655, 6027), (735, 5371), (861, 4585), (917, 4305), (1435, 2751), (1965, 2009)]