210865455

素因数分解:

$3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{21013}}^1$

素因数の和:21247

約数の個数: 24

約数和(自身を含む): 367156608

約数和(自身を除く): 156291153

約数列:

[1, 3, 5, 9, 15, 45, 223, 669, 1115, 2007, 3345, 10035, 21013, 63039, 105065, 189117, 315195, 945585, 4685899, 14057697, 23429495, 42173091, 70288485, 210865455]

約数ペア:

[(1, 210865455), (3, 70288485), (5, 42173091), (9, 23429495), (15, 14057697), (45, 4685899), (223, 945585), (669, 315195), (1115, 189117), (2007, 105065), (3345, 63039), (10035, 21013)]