25351605

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 46800000

約数和(自身を除く): 21448395

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 149, 171, 199, 285, 447, 597, 745, 855, 995, 1341, 1791, 2235, 2831, 2985, 3781, 6705, 8493, 8955, 11343, 14155, 18905, 25479, 29651, 34029, 42465, 56715, 88953, 127395, 148255, 170145, 266859, 444765, 563369, 1334295, 1690107, 2816845, 5070321, 8450535, 25351605]

約数ペア:

[(1, 25351605), (3, 8450535), (5, 5070321), (9, 2816845), (15, 1690107), (19, 1334295), (45, 563369), (57, 444765), (95, 266859), (149, 170145), (171, 148255), (199, 127395), (285, 88953), (447, 56715), (597, 42465), (745, 34029), (855, 29651), (995, 25479), (1341, 18905), (1791, 14155), (2235, 11343), (2831, 8955), (2985, 8493), (3781, 6705)]