127989715

素因数分解:

$5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{12149}}^1$

素因数の和:12211

約数の個数: 24

約数和(自身を含む): 182833200

約数和(自身を除く): 54843485

約数列:

[1, 5, 7, 35, 43, 49, 215, 245, 301, 1505, 2107, 10535, 12149, 60745, 85043, 425215, 522407, 595301, 2612035, 2976505, 3656849, 18284245, 25597943, 127989715]

約数ペア:

[(1, 127989715), (5, 25597943), (7, 18284245), (35, 3656849), (43, 2976505), (49, 2612035), (215, 595301), (245, 522407), (301, 425215), (1505, 85043), (2107, 60745), (10535, 12149)]