138879279

素因数分解:

$3^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3181}}^1$

素因数の和:3218

約数の個数: 60

約数和(自身を含む): 263355048

約数和(自身を除く): 124475769

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 49, 63, 77, 81, 99, 147, 189, 231, 297, 441, 539, 567, 693, 891, 1323, 1617, 2079, 3181, 3969, 4851, 6237, 9543, 14553, 22267, 28629, 34991, 43659, 66801, 85887, 104973, 155869, 200403, 244937, 257661, 314919, 467607, 601209, 734811, 944757, 1402821, 1714559, 1803627, 2204433, 2834271, 4208463, 5143677, 6613299, 12625389, 15431031, 19839897, 46293093, 138879279]

約数ペア:

[(1, 138879279), (3, 46293093), (7, 19839897), (9, 15431031), (11, 12625389), (21, 6613299), (27, 5143677), (33, 4208463), (49, 2834271), (63, 2204433), (77, 1803627), (81, 1714559), (99, 1402821), (147, 944757), (189, 734811), (231, 601209), (297, 467607), (441, 314919), (539, 257661), (567, 244937), (693, 200403), (891, 155869), (1323, 104973), (1617, 85887), (2079, 66801), (3181, 43659), (3969, 34991), (4851, 28629), (6237, 22267), (9543, 14553)]