42740295

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12893}}^1$

素因数の和:12931

約数の個数: 32

約数和(自身を含む): 77982912

約数和(自身を除く): 35242617

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 12893, 38679, 64465, 167609, 193395, 219181, 502827, 657543, 838045, 1095905, 2514135, 2849353, 3287715, 8548059, 14246765, 42740295]

約数ペア:

[(1, 42740295), (3, 14246765), (5, 8548059), (13, 3287715), (15, 2849353), (17, 2514135), (39, 1095905), (51, 838045), (65, 657543), (85, 502827), (195, 219181), (221, 193395), (255, 167609), (663, 64465), (1105, 38679), (3315, 12893)]