25189155

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1733}}^1$

素因数の和:1780

約数の個数: 48

約数和(自身を含む): 48690720

約数和(自身を除く): 23501565

約数列:

[1, 3, 5, 9, 15, 17, 19, 45, 51, 57, 85, 95, 153, 171, 255, 285, 323, 765, 855, 969, 1615, 1733, 2907, 4845, 5199, 8665, 14535, 15597, 25995, 29461, 32927, 77985, 88383, 98781, 147305, 164635, 265149, 296343, 441915, 493905, 559759, 1325745, 1481715, 1679277, 2798795, 5037831, 8396385, 25189155]

約数ペア:

[(1, 25189155), (3, 8396385), (5, 5037831), (9, 2798795), (15, 1679277), (17, 1481715), (19, 1325745), (45, 559759), (51, 493905), (57, 441915), (85, 296343), (95, 265149), (153, 164635), (171, 147305), (255, 98781), (285, 88383), (323, 77985), (765, 32927), (855, 29461), (969, 25995), (1615, 15597), (1733, 14535), (2907, 8665), (4845, 5199)]