81631746

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{30851}}^1$

素因数の和:30876

約数の個数: 48

約数和(自身を含む): 211027680

約数和(自身を除く): 129395934

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 294, 378, 441, 882, 1323, 2646, 30851, 61702, 92553, 185106, 215957, 277659, 431914, 555318, 647871, 832977, 1295742, 1511699, 1665954, 1943613, 3023398, 3887226, 4535097, 5830839, 9070194, 11661678, 13605291, 27210582, 40815873, 81631746]

約数ペア:

[(1, 81631746), (2, 40815873), (3, 27210582), (6, 13605291), (7, 11661678), (9, 9070194), (14, 5830839), (18, 4535097), (21, 3887226), (27, 3023398), (42, 1943613), (49, 1665954), (54, 1511699), (63, 1295742), (98, 832977), (126, 647871), (147, 555318), (189, 431914), (294, 277659), (378, 215957), (441, 185106), (882, 92553), (1323, 61702), (2646, 30851)]