128401905

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{450533}}^1$

素因数の和:450560

約数の個数: 16

約数和(自身を含む): 216256320

約数和(自身を除く): 87854415

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 450533, 1351599, 2252665, 6757995, 8560127, 25680381, 42800635, 128401905]

約数ペア:

[(1, 128401905), (3, 42800635), (5, 25680381), (15, 8560127), (19, 6757995), (57, 2252665), (95, 1351599), (285, 450533)]