130508721

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{179}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 221045760

約数和(自身を除く): 90537039

約数列:

[1, 3, 7, 9, 21, 63, 71, 163, 179, 213, 489, 497, 537, 639, 1141, 1253, 1467, 1491, 1611, 3423, 3759, 4473, 10269, 11277, 11573, 12709, 29177, 34719, 38127, 81011, 87531, 88963, 104157, 114381, 204239, 243033, 262593, 266889, 612717, 729099, 800667, 1838151, 2071567, 6214701, 14500969, 18644103, 43502907, 130508721]

約数ペア:

[(1, 130508721), (3, 43502907), (7, 18644103), (9, 14500969), (21, 6214701), (63, 2071567), (71, 1838151), (163, 800667), (179, 729099), (213, 612717), (489, 266889), (497, 262593), (537, 243033), (639, 204239), (1141, 114381), (1253, 104157), (1467, 88963), (1491, 87531), (1611, 81011), (3423, 38127), (3759, 34719), (4473, 29177), (10269, 12709), (11277, 11573)]