212898465

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{15823}}^1$

素因数の和:15870

約数の個数: 48

約数和(自身を含む): 414715392

約数和(自身を除く): 201816927

約数列:

[1, 3, 5, 9, 13, 15, 23, 39, 45, 65, 69, 115, 117, 195, 207, 299, 345, 585, 897, 1035, 1495, 2691, 4485, 13455, 15823, 47469, 79115, 142407, 205699, 237345, 363929, 617097, 712035, 1028495, 1091787, 1819645, 1851291, 3085485, 3275361, 4731077, 5458935, 9256455, 14193231, 16376805, 23655385, 42579693, 70966155, 212898465]

約数ペア:

[(1, 212898465), (3, 70966155), (5, 42579693), (9, 23655385), (13, 16376805), (15, 14193231), (23, 9256455), (39, 5458935), (45, 4731077), (65, 3275361), (69, 3085485), (115, 1851291), (117, 1819645), (195, 1091787), (207, 1028495), (299, 712035), (345, 617097), (585, 363929), (897, 237345), (1035, 205699), (1495, 142407), (2691, 79115), (4485, 47469), (13455, 15823)]