81789426

素因数分解:

$2^1\times 3^8\times {\mathrm{23}}^1\times {\mathrm{271}}^1$

素因数の和:320

約数の個数: 72

約数和(自身を含む): 192726144

約数和(自身を除く): 110936718

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 243, 271, 414, 486, 542, 621, 729, 813, 1242, 1458, 1626, 1863, 2187, 2439, 3726, 4374, 4878, 5589, 6233, 6561, 7317, 11178, 12466, 13122, 14634, 16767, 18699, 21951, 33534, 37398, 43902, 50301, 56097, 65853, 100602, 112194, 131706, 150903, 168291, 197559, 301806, 336582, 395118, 504873, 592677, 1009746, 1185354, 1514619, 1778031, 3029238, 3556062, 4543857, 9087714, 13631571, 27263142, 40894713, 81789426]

約数ペア:

[(1, 81789426), (2, 40894713), (3, 27263142), (6, 13631571), (9, 9087714), (18, 4543857), (23, 3556062), (27, 3029238), (46, 1778031), (54, 1514619), (69, 1185354), (81, 1009746), (138, 592677), (162, 504873), (207, 395118), (243, 336582), (271, 301806), (414, 197559), (486, 168291), (542, 150903), (621, 131706), (729, 112194), (813, 100602), (1242, 65853), (1458, 56097), (1626, 50301), (1863, 43902), (2187, 37398), (2439, 33534), (3726, 21951), (4374, 18699), (4878, 16767), (5589, 14634), (6233, 13122), (6561, 12466), (7317, 11178)]