860985255

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1103}}^1\times {\mathrm{4003}}^1$

素因数の和:5127

約数の個数: 32

約数和(自身を含む): 1485259776

約数和(自身を除く): 624274521

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 1103, 3309, 4003, 5515, 12009, 14339, 16545, 20015, 43017, 52039, 60045, 71695, 156117, 215085, 260195, 780585, 4415309, 13245927, 22076545, 57399017, 66229635, 172197051, 286995085, 860985255]

約数ペア:

[(1, 860985255), (3, 286995085), (5, 172197051), (13, 66229635), (15, 57399017), (39, 22076545), (65, 13245927), (195, 4415309), (1103, 780585), (3309, 260195), (4003, 215085), (5515, 156117), (12009, 71695), (14339, 60045), (16545, 52039), (20015, 43017)]