128734905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{1181}}^1$

素因数の和:1258

約数の個数: 48

約数和(自身を含む): 228419136

約数和(自身を除く): 99684231

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 169, 195, 215, 507, 559, 645, 845, 1181, 1677, 2535, 2795, 3543, 5905, 7267, 8385, 15353, 17715, 21801, 36335, 46059, 50783, 76765, 109005, 152349, 199589, 230295, 253915, 598767, 660179, 761745, 997945, 1980537, 2993835, 3300895, 8582327, 9902685, 25746981, 42911635, 128734905]

約数ペア:

[(1, 128734905), (3, 42911635), (5, 25746981), (13, 9902685), (15, 8582327), (39, 3300895), (43, 2993835), (65, 1980537), (129, 997945), (169, 761745), (195, 660179), (215, 598767), (507, 253915), (559, 230295), (645, 199589), (845, 152349), (1181, 109005), (1677, 76765), (2535, 50783), (2795, 46059), (3543, 36335), (5905, 21801), (7267, 17715), (8385, 15353)]