83840421

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 136909440

約数和(自身を除く): 53069019

約数列:

[1, 3, 7, 21, 29, 49, 71, 87, 147, 203, 213, 277, 497, 609, 831, 1421, 1491, 1939, 2059, 3479, 4263, 5817, 6177, 8033, 10437, 13573, 14413, 19667, 24099, 40719, 43239, 56231, 59001, 100891, 137669, 168693, 302673, 393617, 413007, 570343, 963683, 1180851, 1711029, 2891049, 3992401, 11977203, 27946807, 83840421]

約数ペア:

[(1, 83840421), (3, 27946807), (7, 11977203), (21, 3992401), (29, 2891049), (49, 1711029), (71, 1180851), (87, 963683), (147, 570343), (203, 413007), (213, 393617), (277, 302673), (497, 168693), (609, 137669), (831, 100891), (1421, 59001), (1491, 56231), (1939, 43239), (2059, 40719), (3479, 24099), (4263, 19667), (5817, 14413), (6177, 13573), (8033, 10437)]