128776185

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1091}}^1$

素因数の和:1206

約数の個数: 48

約数和(自身を含む): 232360128

約数和(自身を除く): 103583943

約数列:

[1, 3, 5, 9, 15, 43, 45, 61, 129, 183, 215, 305, 387, 549, 645, 915, 1091, 1935, 2623, 2745, 3273, 5455, 7869, 9819, 13115, 16365, 23607, 39345, 46913, 49095, 66551, 118035, 140739, 199653, 234565, 332755, 422217, 598959, 703695, 998265, 2111085, 2861693, 2994795, 8585079, 14308465, 25755237, 42925395, 128776185]

約数ペア:

[(1, 128776185), (3, 42925395), (5, 25755237), (9, 14308465), (15, 8585079), (43, 2994795), (45, 2861693), (61, 2111085), (129, 998265), (183, 703695), (215, 598959), (305, 422217), (387, 332755), (549, 234565), (645, 199653), (915, 140739), (1091, 118035), (1935, 66551), (2623, 49095), (2745, 46913), (3273, 39345), (5455, 23607), (7869, 16365), (9819, 13115)]