81069858

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{599}}^1$

素因数の和:783

約数の個数: 48

約数和(自身を含む): 180086400

約数和(自身を除く): 99016542

約数列:

[1, 2, 3, 6, 9, 18, 73, 103, 146, 206, 219, 309, 438, 599, 618, 657, 927, 1198, 1314, 1797, 1854, 3594, 5391, 7519, 10782, 15038, 22557, 43727, 45114, 61697, 67671, 87454, 123394, 131181, 135342, 185091, 262362, 370182, 393543, 555273, 787086, 1110546, 4503881, 9007762, 13511643, 27023286, 40534929, 81069858]

約数ペア:

[(1, 81069858), (2, 40534929), (3, 27023286), (6, 13511643), (9, 9007762), (18, 4503881), (73, 1110546), (103, 787086), (146, 555273), (206, 393543), (219, 370182), (309, 262362), (438, 185091), (599, 135342), (618, 131181), (657, 123394), (927, 87454), (1198, 67671), (1314, 61697), (1797, 45114), (1854, 43727), (3594, 22557), (5391, 15038), (7519, 10782)]