18108195

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 34276608

約数和(自身を除く): 16168413

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 71, 105, 147, 213, 245, 347, 355, 497, 735, 1041, 1065, 1491, 1735, 2429, 2485, 3479, 5205, 7287, 7455, 10437, 12145, 17003, 17395, 24637, 36435, 51009, 52185, 73911, 85015, 123185, 172459, 255045, 369555, 517377, 862295, 1207213, 2586885, 3621639, 6036065, 18108195]

約数ペア:

[(1, 18108195), (3, 6036065), (5, 3621639), (7, 2586885), (15, 1207213), (21, 862295), (35, 517377), (49, 369555), (71, 255045), (105, 172459), (147, 123185), (213, 85015), (245, 73911), (347, 52185), (355, 51009), (497, 36435), (735, 24637), (1041, 17395), (1065, 17003), (1491, 12145), (1735, 10437), (2429, 7455), (2485, 7287), (3479, 5205)]