179983251

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:193

約数の個数: 72

約数和(自身を含む): 318855680

約数和(自身を除く): 138872429

約数列:

[1, 3, 7, 9, 21, 29, 43, 63, 79, 87, 129, 203, 237, 261, 301, 387, 553, 609, 711, 841, 903, 1247, 1659, 1827, 2291, 2523, 2709, 3397, 3741, 4977, 5887, 6873, 7569, 8729, 10191, 11223, 16037, 17661, 20619, 23779, 26187, 30573, 36163, 48111, 52983, 66439, 71337, 78561, 98513, 108489, 144333, 199317, 214011, 253141, 295539, 325467, 465073, 597951, 689591, 759423, 886617, 1395219, 2068773, 2278269, 2856877, 4185657, 6206319, 8570631, 19998139, 25711893, 59994417, 179983251]

約数ペア:

[(1, 179983251), (3, 59994417), (7, 25711893), (9, 19998139), (21, 8570631), (29, 6206319), (43, 4185657), (63, 2856877), (79, 2278269), (87, 2068773), (129, 1395219), (203, 886617), (237, 759423), (261, 689591), (301, 597951), (387, 465073), (553, 325467), (609, 295539), (711, 253141), (841, 214011), (903, 199317), (1247, 144333), (1659, 108489), (1827, 98513), (2291, 78561), (2523, 71337), (2709, 66439), (3397, 52983), (3741, 48111), (4977, 36163), (5887, 30573), (6873, 26187), (7569, 23779), (8729, 20619), (10191, 17661), (11223, 16037)]