890994075

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{1889}}^1$

素因数の和:2252

約数の個数: 48

約数和(自身を含む): 1556150400

約数和(自身を除く): 665156325

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 331, 475, 993, 1425, 1655, 1889, 4965, 5667, 6289, 8275, 9445, 18867, 24825, 28335, 31445, 35891, 47225, 94335, 107673, 141675, 157225, 179455, 471675, 538365, 625259, 897275, 1875777, 2691825, 3126295, 9378885, 11879921, 15631475, 35639763, 46894425, 59399605, 178198815, 296998025, 890994075]

約数ペア:

[(1, 890994075), (3, 296998025), (5, 178198815), (15, 59399605), (19, 46894425), (25, 35639763), (57, 15631475), (75, 11879921), (95, 9378885), (285, 3126295), (331, 2691825), (475, 1875777), (993, 897275), (1425, 625259), (1655, 538365), (1889, 471675), (4965, 179455), (5667, 157225), (6289, 141675), (8275, 107673), (9445, 94335), (18867, 47225), (24825, 35891), (28335, 31445)]