20131213947

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{139021}}^1$

素因数の和:139163

約数の個数: 32

約数和(自身を含む): 29895290880

約数和(自身を除く): 9764076933

約数列:

[1, 3, 13, 39, 47, 79, 141, 237, 611, 1027, 1833, 3081, 3713, 11139, 48269, 139021, 144807, 417063, 1807273, 5421819, 6533987, 10982659, 19601961, 32947977, 84941831, 142774567, 254825493, 428323701, 516184973, 1548554919, 6710404649, 20131213947]

約数ペア:

[(1, 20131213947), (3, 6710404649), (13, 1548554919), (39, 516184973), (47, 428323701), (79, 254825493), (141, 142774567), (237, 84941831), (611, 32947977), (1027, 19601961), (1833, 10982659), (3081, 6533987), (3713, 5421819), (11139, 1807273), (48269, 417063), (139021, 144807)]