217877985

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{124147}}^1$

素因数の和:124174

約数の個数: 32

約数和(自身を含む): 417137280

約数和(自身を除く): 199259295

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 124147, 372441, 620735, 1117323, 1613911, 1862205, 3351969, 4841733, 5586615, 8069555, 14525199, 16759845, 24208665, 43575597, 72625995, 217877985]

約数ペア:

[(1, 217877985), (3, 72625995), (5, 43575597), (9, 24208665), (13, 16759845), (15, 14525199), (27, 8069555), (39, 5586615), (45, 4841733), (65, 3351969), (117, 1862205), (135, 1613911), (195, 1117323), (351, 620735), (585, 372441), (1755, 124147)]