81815508

素因数分解:

$2^2\times 3^4\times {\mathrm{23}}^1\times {\mathrm{10979}}^1$

素因数の和:11018

約数の個数: 60

約数和(自身を含む): 223201440

約数和(自身を除く): 141385932

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 81, 92, 108, 138, 162, 207, 276, 324, 414, 621, 828, 1242, 1863, 2484, 3726, 7452, 10979, 21958, 32937, 43916, 65874, 98811, 131748, 197622, 252517, 296433, 395244, 505034, 592866, 757551, 889299, 1010068, 1185732, 1515102, 1778598, 2272653, 3030204, 3557196, 4545306, 6817959, 9090612, 13635918, 20453877, 27271836, 40907754, 81815508]

約数ペア:

[(1, 81815508), (2, 40907754), (3, 27271836), (4, 20453877), (6, 13635918), (9, 9090612), (12, 6817959), (18, 4545306), (23, 3557196), (27, 3030204), (36, 2272653), (46, 1778598), (54, 1515102), (69, 1185732), (81, 1010068), (92, 889299), (108, 757551), (138, 592866), (162, 505034), (207, 395244), (276, 296433), (324, 252517), (414, 197622), (621, 131748), (828, 98811), (1242, 65874), (1863, 43916), (2484, 32937), (3726, 21958), (7452, 10979)]