245996919

素因数分解:

$3^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:267

約数の個数: 96

約数和(自身を含む): 457906176

約数和(自身を除く): 211909257

約数列:

[1, 3, 7, 9, 17, 21, 27, 47, 51, 63, 81, 119, 141, 153, 181, 189, 243, 329, 357, 423, 459, 543, 567, 799, 987, 1071, 1267, 1269, 1377, 1629, 1701, 2397, 2961, 3077, 3213, 3801, 3807, 4131, 4887, 5593, 7191, 8507, 8883, 9231, 9639, 11403, 11421, 14661, 16779, 21539, 21573, 25521, 26649, 27693, 28917, 34209, 43983, 50337, 59549, 64617, 64719, 76563, 79947, 83079, 102627, 144619, 151011, 178647, 193851, 194157, 229689, 249237, 307881, 433857, 453033, 535941, 581553, 689067, 747711, 1012333, 1301571, 1359099, 1607823, 1744659, 2067201, 3036999, 3904713, 4823469, 5233977, 9110997, 11714139, 14470407, 27332991, 35142417, 81998973, 245996919]

約数ペア:

[(1, 245996919), (3, 81998973), (7, 35142417), (9, 27332991), (17, 14470407), (21, 11714139), (27, 9110997), (47, 5233977), (51, 4823469), (63, 3904713), (81, 3036999), (119, 2067201), (141, 1744659), (153, 1607823), (181, 1359099), (189, 1301571), (243, 1012333), (329, 747711), (357, 689067), (423, 581553), (459, 535941), (543, 453033), (567, 433857), (799, 307881), (987, 249237), (1071, 229689), (1267, 194157), (1269, 193851), (1377, 178647), (1629, 151011), (1701, 144619), (2397, 102627), (2961, 83079), (3077, 79947), (3213, 76563), (3801, 64719), (3807, 64617), (4131, 59549), (4887, 50337), (5593, 43983), (7191, 34209), (8507, 28917), (8883, 27693), (9231, 26649), (9639, 25521), (11403, 21573), (11421, 21539), (14661, 16779)]