13257223

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1229}}^1$

素因数の和:1326

約数の個数: 16

約数和(自身を含む): 16058880

約数和(自身を除く): 2801657

約数列:

[1, 7, 23, 67, 161, 469, 1229, 1541, 8603, 10787, 28267, 82343, 197869, 576401, 1893889, 13257223]

約数ペア:

[(1, 13257223), (7, 1893889), (23, 576401), (67, 197869), (161, 82343), (469, 28267), (1229, 10787), (1541, 8603)]