54311481

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:223

約数の個数: 72

約数和(自身を含む): 100892480

約数和(自身を除く): 46580999

約数列:

[1, 3, 7, 9, 17, 19, 21, 51, 57, 63, 119, 133, 153, 157, 171, 289, 323, 357, 399, 471, 867, 969, 1071, 1099, 1197, 1413, 2023, 2261, 2601, 2669, 2907, 2983, 3297, 5491, 6069, 6783, 8007, 8949, 9891, 16473, 18207, 18683, 20349, 20881, 24021, 26847, 38437, 45373, 49419, 50711, 56049, 62643, 115311, 136119, 152133, 168147, 187929, 317611, 345933, 354977, 408357, 456399, 862087, 952833, 1064931, 2586261, 2858499, 3194793, 6034609, 7758783, 18103827, 54311481]

約数ペア:

[(1, 54311481), (3, 18103827), (7, 7758783), (9, 6034609), (17, 3194793), (19, 2858499), (21, 2586261), (51, 1064931), (57, 952833), (63, 862087), (119, 456399), (133, 408357), (153, 354977), (157, 345933), (171, 317611), (289, 187929), (323, 168147), (357, 152133), (399, 136119), (471, 115311), (867, 62643), (969, 56049), (1071, 50711), (1099, 49419), (1197, 45373), (1413, 38437), (2023, 26847), (2261, 24021), (2601, 20881), (2669, 20349), (2907, 18683), (2983, 18207), (3297, 16473), (5491, 9891), (6069, 8949), (6783, 8007)]