87424515

素因数分解:

$3^4\times 5^1\times {\mathrm{215863}}^1$

素因数の和:215880

約数の個数: 20

約数和(自身を含む): 156717264

約数和(自身を除く): 69292749

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 215863, 647589, 1079315, 1942767, 3237945, 5828301, 9713835, 17484903, 29141505, 87424515]

約数ペア:

[(1, 87424515), (3, 29141505), (5, 17484903), (9, 9713835), (15, 5828301), (27, 3237945), (45, 1942767), (81, 1079315), (135, 647589), (405, 215863)]