187368645

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 328458240

約数和(自身を除く): 141089595

約数列:

[1, 3, 5, 15, 17, 51, 71, 79, 85, 131, 213, 237, 255, 355, 393, 395, 655, 1065, 1185, 1207, 1343, 1965, 2227, 3621, 4029, 5609, 6035, 6681, 6715, 9301, 10349, 11135, 16827, 18105, 20145, 27903, 28045, 31047, 33405, 46505, 51745, 84135, 95353, 139515, 155235, 158117, 175933, 286059, 474351, 476765, 527799, 734779, 790585, 879665, 1430295, 2204337, 2371755, 2638995, 3673895, 11021685, 12491243, 37473729, 62456215, 187368645]

約数ペア:

[(1, 187368645), (3, 62456215), (5, 37473729), (15, 12491243), (17, 11021685), (51, 3673895), (71, 2638995), (79, 2371755), (85, 2204337), (131, 1430295), (213, 879665), (237, 790585), (255, 734779), (355, 527799), (393, 476765), (395, 474351), (655, 286059), (1065, 175933), (1185, 158117), (1207, 155235), (1343, 139515), (1965, 95353), (2227, 84135), (3621, 51745), (4029, 46505), (5609, 33405), (6035, 31047), (6681, 28045), (6715, 27903), (9301, 20145), (10349, 18105), (11135, 16827)]