251017849257

素因数分解:

$3^1\times 7^1\times {\mathrm{991}}^1\times {\mathrm{3391}}^1\times {\mathrm{3557}}^1$

素因数の和:7949

約数の個数: 32

約数和(自身を含む): 383109955584

約数和(自身を除く): 132092106327

約数列:

[1, 3, 7, 21, 991, 2973, 3391, 3557, 6937, 10173, 10671, 20811, 23737, 24899, 71211, 74697, 3360481, 3524987, 10081443, 10574961, 12061787, 23523367, 24674909, 36185361, 70570101, 74024727, 84432509, 253297527, 11953230917, 35859692751, 83672616419, 251017849257]

約数ペア:

[(1, 251017849257), (3, 83672616419), (7, 35859692751), (21, 11953230917), (991, 253297527), (2973, 84432509), (3391, 74024727), (3557, 70570101), (6937, 36185361), (10173, 24674909), (10671, 23523367), (20811, 12061787), (23737, 10574961), (24899, 10081443), (71211, 3524987), (74697, 3360481)]