81945918

素因数分解:

$2^1\times 3^5\times {\mathrm{23}}^1\times {\mathrm{7331}}^1$

素因数の和:7371

約数の個数: 48

約数和(自身を含む): 192157056

約数和(自身を除く): 110211138

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 243, 414, 486, 621, 1242, 1863, 3726, 5589, 7331, 11178, 14662, 21993, 43986, 65979, 131958, 168613, 197937, 337226, 395874, 505839, 593811, 1011678, 1187622, 1517517, 1781433, 3035034, 3562866, 4552551, 9105102, 13657653, 27315306, 40972959, 81945918]

約数ペア:

[(1, 81945918), (2, 40972959), (3, 27315306), (6, 13657653), (9, 9105102), (18, 4552551), (23, 3562866), (27, 3035034), (46, 1781433), (54, 1517517), (69, 1187622), (81, 1011678), (138, 593811), (162, 505839), (207, 395874), (243, 337226), (414, 197937), (486, 168613), (621, 131958), (1242, 65979), (1863, 43986), (3726, 21993), (5589, 14662), (7331, 11178)]