70871355

素因数分解:

$3^4\times 5^1\times {\mathrm{174991}}^1$

素因数の和:175008

約数の個数: 20

約数和(自身を含む): 127044192

約数和(自身を除く): 56172837

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 174991, 524973, 874955, 1574919, 2624865, 4724757, 7874595, 14174271, 23623785, 70871355]

約数ペア:

[(1, 70871355), (3, 23623785), (5, 14174271), (9, 7874595), (15, 4724757), (27, 2624865), (45, 1574919), (81, 874955), (135, 524973), (405, 174991)]