12157455

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{269}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 20528640

約数和(自身を除く): 8371185

約数列:

[1, 3, 5, 15, 23, 69, 115, 131, 269, 345, 393, 655, 807, 1345, 1965, 3013, 4035, 6187, 9039, 15065, 18561, 30935, 35239, 45195, 92805, 105717, 176195, 528585, 810497, 2431491, 4052485, 12157455]

約数ペア:

[(1, 12157455), (3, 4052485), (5, 2431491), (15, 810497), (23, 528585), (69, 176195), (115, 105717), (131, 92805), (269, 45195), (345, 35239), (393, 30935), (655, 18561), (807, 15065), (1345, 9039), (1965, 6187), (3013, 4035)]