280230015

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{4003}}^1$

素因数の和:4383

約数の個数: 32

約数和(自身を含む): 484323840

約数和(自身を除く): 204093825

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 359, 1077, 1795, 4003, 4667, 5385, 12009, 14001, 20015, 23335, 52039, 60045, 70005, 156117, 260195, 780585, 1437077, 4311231, 7185385, 18682001, 21556155, 56046003, 93410005, 280230015]

約数ペア:

[(1, 280230015), (3, 93410005), (5, 56046003), (13, 21556155), (15, 18682001), (39, 7185385), (65, 4311231), (195, 1437077), (359, 780585), (1077, 260195), (1795, 156117), (4003, 70005), (4667, 60045), (5385, 52039), (12009, 23335), (14001, 20015)]