15218203

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1$

素因数の和:715

約数の個数: 32

約数和(自身を含む): 21353472

約数和(自身を除く): 6135269

約数列:

[1, 7, 11, 13, 23, 77, 91, 143, 161, 253, 299, 661, 1001, 1771, 2093, 3289, 4627, 7271, 8593, 15203, 23023, 50897, 60151, 94523, 106421, 167233, 197639, 661661, 1170631, 1383473, 2174029, 15218203]

約数ペア:

[(1, 15218203), (7, 2174029), (11, 1383473), (13, 1170631), (23, 661661), (77, 197639), (91, 167233), (143, 106421), (161, 94523), (253, 60151), (299, 50897), (661, 23023), (1001, 15203), (1771, 8593), (2093, 7271), (3289, 4627)]