172904193

素因数分解:

$3^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{109}}^2$

素因数の和:252

約数の個数: 72

約数和(自身を含む): 328073760

約数和(自身を除く): 155169567

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 49, 63, 77, 99, 109, 147, 189, 231, 297, 327, 441, 539, 693, 763, 981, 1199, 1323, 1617, 2079, 2289, 2943, 3597, 4851, 5341, 6867, 8393, 10791, 11881, 14553, 16023, 20601, 25179, 32373, 35643, 48069, 58751, 75537, 83167, 106929, 130691, 144207, 176253, 226611, 249501, 320787, 392073, 528759, 582169, 748503, 914837, 1176219, 1586277, 1746507, 2245509, 2744511, 3528657, 5239521, 6403859, 8233533, 15718563, 19211577, 24700599, 57634731, 172904193]

約数ペア:

[(1, 172904193), (3, 57634731), (7, 24700599), (9, 19211577), (11, 15718563), (21, 8233533), (27, 6403859), (33, 5239521), (49, 3528657), (63, 2744511), (77, 2245509), (99, 1746507), (109, 1586277), (147, 1176219), (189, 914837), (231, 748503), (297, 582169), (327, 528759), (441, 392073), (539, 320787), (693, 249501), (763, 226611), (981, 176253), (1199, 144207), (1323, 130691), (1617, 106929), (2079, 83167), (2289, 75537), (2943, 58751), (3597, 48069), (4851, 35643), (5341, 32373), (6867, 25179), (8393, 20601), (10791, 16023), (11881, 14553)]