71991045

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{10883}}^1$

素因数の和:10911

約数の個数: 48

約数和(自身を含む): 148893120

約数和(自身を除く): 76902075

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 441, 735, 945, 1323, 2205, 6615, 10883, 32649, 54415, 76181, 97947, 163245, 228543, 293841, 380905, 489735, 533267, 685629, 1142715, 1469205, 1599801, 2056887, 2666335, 3428145, 4799403, 7999005, 10284435, 14398209, 23997015, 71991045]

約数ペア:

[(1, 71991045), (3, 23997015), (5, 14398209), (7, 10284435), (9, 7999005), (15, 4799403), (21, 3428145), (27, 2666335), (35, 2056887), (45, 1599801), (49, 1469205), (63, 1142715), (105, 685629), (135, 533267), (147, 489735), (189, 380905), (245, 293841), (315, 228543), (441, 163245), (735, 97947), (945, 76181), (1323, 54415), (2205, 32649), (6615, 10883)]