128220885

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12893}}^1$

素因数の和:12934

約数の個数: 48

約数和(自身を含む): 253444464

約数和(自身を除く): 125223579

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 585, 663, 765, 1105, 1989, 3315, 9945, 12893, 38679, 64465, 116037, 167609, 193395, 219181, 502827, 580185, 657543, 838045, 1095905, 1508481, 1972629, 2514135, 2849353, 3287715, 7542405, 8548059, 9863145, 14246765, 25644177, 42740295, 128220885]

約数ペア:

[(1, 128220885), (3, 42740295), (5, 25644177), (9, 14246765), (13, 9863145), (15, 8548059), (17, 7542405), (39, 3287715), (45, 2849353), (51, 2514135), (65, 1972629), (85, 1508481), (117, 1095905), (153, 838045), (195, 657543), (221, 580185), (255, 502827), (585, 219181), (663, 193395), (765, 167609), (1105, 116037), (1989, 64465), (3315, 38679), (9945, 12893)]