31781972187

素因数分解:

$3^5\times 7^1\times {\mathrm{151}}^1\times {\mathrm{123737}}^1$

素因数の和:123910

約数の個数: 48

約数和(自身を含む): 54769408512

約数和(自身を除く): 22987436325

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 151, 189, 243, 453, 567, 1057, 1359, 1701, 3171, 4077, 9513, 12231, 28539, 36693, 85617, 123737, 256851, 371211, 866159, 1113633, 2598477, 3340899, 7795431, 10022697, 18684287, 23386293, 30068091, 56052861, 70158879, 130790009, 168158583, 210476637, 392370027, 504475749, 1177110081, 1513427247, 3531330243, 4540281741, 10593990729, 31781972187]

約数ペア:

[(1, 31781972187), (3, 10593990729), (7, 4540281741), (9, 3531330243), (21, 1513427247), (27, 1177110081), (63, 504475749), (81, 392370027), (151, 210476637), (189, 168158583), (243, 130790009), (453, 70158879), (567, 56052861), (1057, 30068091), (1359, 23386293), (1701, 18684287), (3171, 10022697), (4077, 7795431), (9513, 3340899), (12231, 2598477), (28539, 1113633), (36693, 866159), (85617, 371211), (123737, 256851)]