57750075

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:233

約数の個数: 72

約数和(自身を含む): 108945408

約数和(自身を除く): 51195333

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 47, 75, 127, 129, 141, 215, 225, 235, 381, 387, 423, 635, 645, 705, 1075, 1143, 1175, 1905, 1935, 2021, 2115, 3175, 3225, 3525, 5461, 5715, 5969, 6063, 9525, 9675, 10105, 10575, 16383, 17907, 18189, 27305, 28575, 29845, 30315, 49149, 50525, 53721, 81915, 89535, 90945, 136525, 149225, 151575, 245745, 256667, 268605, 409575, 447675, 454725, 770001, 1228725, 1283335, 1343025, 2310003, 3850005, 6416675, 11550015, 19250025, 57750075]

約数ペア:

[(1, 57750075), (3, 19250025), (5, 11550015), (9, 6416675), (15, 3850005), (25, 2310003), (43, 1343025), (45, 1283335), (47, 1228725), (75, 770001), (127, 454725), (129, 447675), (141, 409575), (215, 268605), (225, 256667), (235, 245745), (381, 151575), (387, 149225), (423, 136525), (635, 90945), (645, 89535), (705, 81915), (1075, 53721), (1143, 50525), (1175, 49149), (1905, 30315), (1935, 29845), (2021, 28575), (2115, 27305), (3175, 18189), (3225, 17907), (3525, 16383), (5461, 10575), (5715, 10105), (5969, 9675), (6063, 9525)]