321178683

素因数分解:

$3^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:329

約数の個数: 64

約数和(自身を含む): 529920000

約数和(自身を除く): 208741317

約数列:

[1, 3, 7, 21, 29, 47, 49, 87, 141, 147, 203, 229, 329, 343, 609, 687, 987, 1029, 1363, 1421, 1603, 2303, 4089, 4263, 4809, 6641, 6909, 9541, 9947, 10763, 11221, 16121, 19923, 28623, 29841, 32289, 33663, 46487, 48363, 66787, 75341, 78547, 139461, 200361, 226023, 235641, 312127, 325409, 467509, 527387, 936381, 976227, 1402527, 1582161, 2184889, 2277863, 3691709, 6554667, 6833589, 11075127, 15294223, 45882669, 107059561, 321178683]

約数ペア:

[(1, 321178683), (3, 107059561), (7, 45882669), (21, 15294223), (29, 11075127), (47, 6833589), (49, 6554667), (87, 3691709), (141, 2277863), (147, 2184889), (203, 1582161), (229, 1402527), (329, 976227), (343, 936381), (609, 527387), (687, 467509), (987, 325409), (1029, 312127), (1363, 235641), (1421, 226023), (1603, 200361), (2303, 139461), (4089, 78547), (4263, 75341), (4809, 66787), (6641, 48363), (6909, 46487), (9541, 33663), (9947, 32289), (10763, 29841), (11221, 28623), (16121, 19923)]