61717545

素因数分解:

$3^4\times 5^1\times {\mathrm{152389}}^1$

素因数の和:152406

約数の個数: 20

約数和(自身を含む): 110635140

約数和(自身を除く): 48917595

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 152389, 457167, 761945, 1371501, 2285835, 4114503, 6857505, 12343509, 20572515, 61717545]

約数ペア:

[(1, 61717545), (3, 20572515), (5, 12343509), (9, 6857505), (15, 4114503), (27, 2285835), (45, 1371501), (81, 761945), (135, 457167), (405, 152389)]