81442908

素因数分解:

$2^2\times 3^5\times {\mathrm{23}}^1\times {\mathrm{3643}}^1$

素因数の和:3685

約数の個数: 72

約数和(自身を含む): 222837888

約数和(自身を除く): 141394980

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 81, 92, 108, 138, 162, 207, 243, 276, 324, 414, 486, 621, 828, 972, 1242, 1863, 2484, 3643, 3726, 5589, 7286, 7452, 10929, 11178, 14572, 21858, 22356, 32787, 43716, 65574, 83789, 98361, 131148, 167578, 196722, 251367, 295083, 335156, 393444, 502734, 590166, 754101, 885249, 1005468, 1180332, 1508202, 1770498, 2262303, 3016404, 3540996, 4524606, 6786909, 9049212, 13573818, 20360727, 27147636, 40721454, 81442908]

約数ペア:

[(1, 81442908), (2, 40721454), (3, 27147636), (4, 20360727), (6, 13573818), (9, 9049212), (12, 6786909), (18, 4524606), (23, 3540996), (27, 3016404), (36, 2262303), (46, 1770498), (54, 1508202), (69, 1180332), (81, 1005468), (92, 885249), (108, 754101), (138, 590166), (162, 502734), (207, 393444), (243, 335156), (276, 295083), (324, 251367), (414, 196722), (486, 167578), (621, 131148), (828, 98361), (972, 83789), (1242, 65574), (1863, 43716), (2484, 32787), (3643, 22356), (3726, 21858), (5589, 14572), (7286, 11178), (7452, 10929)]