90131853

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{1723}}^1$

素因数の和:1833

約数の個数: 32

約数和(自身を含む): 142995456

約数和(自身を除く): 52863603

約数列:

[1, 3, 7, 21, 47, 53, 141, 159, 329, 371, 987, 1113, 1723, 2491, 5169, 7473, 12061, 17437, 36183, 52311, 80981, 91319, 242943, 273957, 566867, 639233, 1700601, 1917699, 4291993, 12875979, 30043951, 90131853]

約数ペア:

[(1, 90131853), (3, 30043951), (7, 12875979), (21, 4291993), (47, 1917699), (53, 1700601), (141, 639233), (159, 566867), (329, 273957), (371, 242943), (987, 91319), (1113, 80981), (1723, 52311), (2491, 36183), (5169, 17437), (7473, 12061)]