64905915

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 116328960

約数和(自身を除く): 51423045

約数列:

[1, 3, 5, 15, 17, 29, 51, 67, 85, 87, 131, 145, 201, 255, 335, 393, 435, 493, 655, 1005, 1139, 1479, 1943, 1965, 2227, 2465, 3417, 3799, 5695, 5829, 6681, 7395, 8777, 9715, 11135, 11397, 17085, 18995, 26331, 29145, 33031, 33405, 43885, 56985, 64583, 99093, 131655, 149209, 165155, 193749, 254533, 322915, 447627, 495465, 746045, 763599, 968745, 1272665, 2238135, 3817995, 4327061, 12981183, 21635305, 64905915]

約数ペア:

[(1, 64905915), (3, 21635305), (5, 12981183), (15, 4327061), (17, 3817995), (29, 2238135), (51, 1272665), (67, 968745), (85, 763599), (87, 746045), (131, 495465), (145, 447627), (201, 322915), (255, 254533), (335, 193749), (393, 165155), (435, 149209), (493, 131655), (655, 99093), (1005, 64583), (1139, 56985), (1479, 43885), (1943, 33405), (1965, 33031), (2227, 29145), (2465, 26331), (3417, 18995), (3799, 17085), (5695, 11397), (5829, 11135), (6681, 9715), (7395, 8777)]