127908775

素因数分解:

$5^2\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{643}}^1$

素因数の和:835

約数の個数: 24

約数和(自身を含む): 162506960

約数和(自身を除く): 34598185

約数列:

[1, 5, 25, 73, 109, 365, 545, 643, 1825, 2725, 3215, 7957, 16075, 39785, 46939, 70087, 198925, 234695, 350435, 1173475, 1752175, 5116351, 25581755, 127908775]

約数ペア:

[(1, 127908775), (5, 25581755), (25, 5116351), (73, 1752175), (109, 1173475), (365, 350435), (545, 234695), (643, 198925), (1825, 70087), (2725, 46939), (3215, 39785), (7957, 16075)]