12678687

素因数分解:

$3^4\times 7^1\times {\mathrm{59}}^1\times {\mathrm{379}}^1$

素因数の和:457

約数の個数: 40

約数和(自身を含む): 22070400

約数和(自身を除く): 9391713

約数列:

[1, 3, 7, 9, 21, 27, 59, 63, 81, 177, 189, 379, 413, 531, 567, 1137, 1239, 1593, 2653, 3411, 3717, 4779, 7959, 10233, 11151, 22361, 23877, 30699, 33453, 67083, 71631, 156527, 201249, 214893, 469581, 603747, 1408743, 1811241, 4226229, 12678687]

約数ペア:

[(1, 12678687), (3, 4226229), (7, 1811241), (9, 1408743), (21, 603747), (27, 469581), (59, 214893), (63, 201249), (81, 156527), (177, 71631), (189, 67083), (379, 33453), (413, 30699), (531, 23877), (567, 22361), (1137, 11151), (1239, 10233), (1593, 7959), (2653, 4779), (3411, 3717)]