15317939

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:339

約数の個数: 24

約数和(自身を含む): 19439280

約数和(自身を除く): 4121341

約数列:

[1, 7, 13, 49, 91, 139, 173, 637, 973, 1211, 1807, 2249, 6811, 8477, 12649, 15743, 24047, 88543, 110201, 168329, 312611, 1178303, 2188277, 15317939]

約数ペア:

[(1, 15317939), (7, 2188277), (13, 1178303), (49, 312611), (91, 168329), (139, 110201), (173, 88543), (637, 24047), (973, 15743), (1211, 12649), (1807, 8477), (2249, 6811)]