205041753

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1$

素因数の和:431

約数の個数: 64

約数和(自身を含む): 361152000

約数和(自身を除く): 156110247

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 109, 111, 189, 259, 269, 327, 333, 763, 777, 807, 981, 999, 1883, 2289, 2331, 2421, 2943, 4033, 5649, 6867, 6993, 7263, 9953, 12099, 16947, 20601, 28231, 29321, 29859, 36297, 50841, 69671, 84693, 87963, 89577, 108891, 205247, 209013, 254079, 263889, 268731, 615741, 627039, 762237, 791667, 1084877, 1847223, 1881117, 3254631, 5541669, 7594139, 9763893, 22782417, 29291679, 68347251, 205041753]

約数ペア:

[(1, 205041753), (3, 68347251), (7, 29291679), (9, 22782417), (21, 9763893), (27, 7594139), (37, 5541669), (63, 3254631), (109, 1881117), (111, 1847223), (189, 1084877), (259, 791667), (269, 762237), (327, 627039), (333, 615741), (763, 268731), (777, 263889), (807, 254079), (981, 209013), (999, 205247), (1883, 108891), (2289, 89577), (2331, 87963), (2421, 84693), (2943, 69671), (4033, 50841), (5649, 36297), (6867, 29859), (6993, 29321), (7263, 28231), (9953, 20601), (12099, 16947)]