205698129

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{15377}}^1$

素因数の和:15414

約数の個数: 32

約数和(自身を含む): 344467200

約数和(自身を除く): 138769071

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 343, 637, 1029, 1911, 4459, 13377, 15377, 46131, 107639, 199901, 322917, 599703, 753473, 1399307, 2260419, 4197921, 5274311, 9795149, 15822933, 29385447, 68566043, 205698129]

約数ペア:

[(1, 205698129), (3, 68566043), (7, 29385447), (13, 15822933), (21, 9795149), (39, 5274311), (49, 4197921), (91, 2260419), (147, 1399307), (273, 753473), (343, 599703), (637, 322917), (1029, 199901), (1911, 107639), (4459, 46131), (13377, 15377)]