28931539077

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{863}}^1\times {\mathrm{4001}}^1$

素因数の和:4903

約数の個数: 72

約数和(自身を含む): 51243528960

約数和(自身を除く): 22311989883

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 863, 931, 1197, 2589, 2793, 4001, 6041, 7767, 8379, 12003, 16397, 18123, 28007, 36009, 42287, 49191, 54369, 76019, 84021, 114779, 126861, 147573, 196049, 228057, 252063, 344337, 380583, 532133, 588147, 684171, 803453, 1033011, 1596399, 1764441, 2410359, 3452863, 3724931, 4789197, 7231077, 10358589, 11174793, 24170041, 31075767, 33524379, 65604397, 72510123, 169190287, 196813191, 217530369, 459230779, 507570861, 590439573, 1377692337, 1522712583, 3214615453, 4133077011, 9643846359, 28931539077]

約数ペア:

[(1, 28931539077), (3, 9643846359), (7, 4133077011), (9, 3214615453), (19, 1522712583), (21, 1377692337), (49, 590439573), (57, 507570861), (63, 459230779), (133, 217530369), (147, 196813191), (171, 169190287), (399, 72510123), (441, 65604397), (863, 33524379), (931, 31075767), (1197, 24170041), (2589, 11174793), (2793, 10358589), (4001, 7231077), (6041, 4789197), (7767, 3724931), (8379, 3452863), (12003, 2410359), (16397, 1764441), (18123, 1596399), (28007, 1033011), (36009, 803453), (42287, 684171), (49191, 588147), (54369, 532133), (76019, 380583), (84021, 344337), (114779, 252063), (126861, 228057), (147573, 196049)]