84751515

素因数分解:

$3^4\times 5^1\times {\mathrm{209263}}^1$

素因数の和:209280

約数の個数: 20

約数和(自身を含む): 151925664

約数和(自身を除く): 67174149

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 209263, 627789, 1046315, 1883367, 3138945, 5650101, 9416835, 16950303, 28250505, 84751515]

約数ペア:

[(1, 84751515), (3, 28250505), (5, 16950303), (9, 9416835), (15, 5650101), (27, 3138945), (45, 1883367), (81, 1046315), (135, 627789), (405, 209263)]