2157571179

素因数分解:

$3^2\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 3219490560

約数和(自身を除く): 1061919381

約数列:

[1, 3, 9, 103, 109, 131, 163, 309, 327, 393, 489, 927, 981, 1179, 1467, 11227, 13493, 14279, 16789, 17767, 21353, 33681, 40479, 42837, 50367, 53301, 64059, 101043, 121437, 128511, 151101, 159903, 192177, 1470737, 1830001, 2199359, 2327477, 4412211, 5490003, 6598077, 6982431, 13236633, 16470009, 19794231, 20947293, 239730131, 719190393, 2157571179]

約数ペア:

[(1, 2157571179), (3, 719190393), (9, 239730131), (103, 20947293), (109, 19794231), (131, 16470009), (163, 13236633), (309, 6982431), (327, 6598077), (393, 5490003), (489, 4412211), (927, 2327477), (981, 2199359), (1179, 1830001), (1467, 1470737), (11227, 192177), (13493, 159903), (14279, 151101), (16789, 128511), (17767, 121437), (21353, 101043), (33681, 64059), (40479, 53301), (42837, 50367)]