390331395

素因数分解:

$3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1\times {\mathrm{401}}^1$

素因数の和:732

約数の個数: 48

約数和(自身を含む): 688326912

約数和(自身を除く): 297995517

約数列:

[1, 3, 5, 9, 15, 45, 97, 223, 291, 401, 485, 669, 873, 1115, 1203, 1455, 2005, 2007, 3345, 3609, 4365, 6015, 10035, 18045, 21631, 38897, 64893, 89423, 108155, 116691, 194485, 194679, 268269, 324465, 350073, 447115, 583455, 804807, 973395, 1341345, 1750365, 4024035, 8674031, 26022093, 43370155, 78066279, 130110465, 390331395]

約数ペア:

[(1, 390331395), (3, 130110465), (5, 78066279), (9, 43370155), (15, 26022093), (45, 8674031), (97, 4024035), (223, 1750365), (291, 1341345), (401, 973395), (485, 804807), (669, 583455), (873, 447115), (1115, 350073), (1203, 324465), (1455, 268269), (2005, 194679), (2007, 194485), (3345, 116691), (3609, 108155), (4365, 89423), (6015, 64893), (10035, 38897), (18045, 21631)]