2153229

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:197

約数の個数: 24

約数和(自身を含む): 3232512

約数和(自身を除く): 1079283

約数列:

[1, 3, 13, 31, 39, 93, 137, 169, 403, 411, 507, 1209, 1781, 4247, 5239, 5343, 12741, 15717, 23153, 55211, 69459, 165633, 717743, 2153229]

約数ペア:

[(1, 2153229), (3, 717743), (13, 165633), (31, 69459), (39, 55211), (93, 23153), (137, 15717), (169, 12741), (403, 5343), (411, 5239), (507, 4247), (1209, 1781)]