128972475

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{30169}}^1$

素因数の和:30204

約数の個数: 36

約数和(自身を含む): 243170200

約数和(自身を除く): 114197725

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 475, 855, 1425, 4275, 30169, 90507, 150845, 271521, 452535, 573211, 754225, 1357605, 1719633, 2262675, 2866055, 5158899, 6788025, 8598165, 14330275, 25794495, 42990825, 128972475]

約数ペア:

[(1, 128972475), (3, 42990825), (5, 25794495), (9, 14330275), (15, 8598165), (19, 6788025), (25, 5158899), (45, 2866055), (57, 2262675), (75, 1719633), (95, 1357605), (171, 754225), (225, 573211), (285, 452535), (475, 271521), (855, 150845), (1425, 90507), (4275, 30169)]