84721575

素因数分解:

$3^1\times 5^2\times {\mathrm{79}}^2\times {\mathrm{181}}^1$

素因数の和:352

約数の個数: 36

約数和(自身を含む): 142652328

約数和(自身を除く): 57930753

約数列:

[1, 3, 5, 15, 25, 75, 79, 181, 237, 395, 543, 905, 1185, 1975, 2715, 4525, 5925, 6241, 13575, 14299, 18723, 31205, 42897, 71495, 93615, 156025, 214485, 357475, 468075, 1072425, 1129621, 3388863, 5648105, 16944315, 28240525, 84721575]

約数ペア:

[(1, 84721575), (3, 28240525), (5, 16944315), (15, 5648105), (25, 3388863), (75, 1129621), (79, 1072425), (181, 468075), (237, 357475), (395, 214485), (543, 156025), (905, 93615), (1185, 71495), (1975, 42897), (2715, 31205), (4525, 18723), (5925, 14299), (6241, 13575)]