78943851

素因数分解:

$3^2\times 7^3\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:373

約数の個数: 48

約数和(自身を含む): 134784000

約数和(自身を除く): 55840149

約数列:

[1, 3, 7, 9, 21, 49, 63, 107, 147, 239, 321, 343, 441, 717, 749, 963, 1029, 1673, 2151, 2247, 3087, 5019, 5243, 6741, 11711, 15057, 15729, 25573, 35133, 36701, 47187, 76719, 81977, 105399, 110103, 179011, 230157, 245931, 330309, 537033, 737793, 1253077, 1611099, 3759231, 8771539, 11277693, 26314617, 78943851]

約数ペア:

[(1, 78943851), (3, 26314617), (7, 11277693), (9, 8771539), (21, 3759231), (49, 1611099), (63, 1253077), (107, 737793), (147, 537033), (239, 330309), (321, 245931), (343, 230157), (441, 179011), (717, 110103), (749, 105399), (963, 81977), (1029, 76719), (1673, 47187), (2151, 36701), (2247, 35133), (3087, 25573), (5019, 15729), (5243, 15057), (6741, 11711)]