81659664

素因数分解:

$2^4\times 3^6\times {\mathrm{7001}}^1$

素因数の和:7027

約数の個数: 70

約数和(自身を含む): 237248766

約数和(自身を除く): 155589102

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 243, 324, 432, 486, 648, 729, 972, 1296, 1458, 1944, 2916, 3888, 5832, 7001, 11664, 14002, 21003, 28004, 42006, 56008, 63009, 84012, 112016, 126018, 168024, 189027, 252036, 336048, 378054, 504072, 567081, 756108, 1008144, 1134162, 1512216, 1701243, 2268324, 3024432, 3402486, 4536648, 5103729, 6804972, 9073296, 10207458, 13609944, 20414916, 27219888, 40829832, 81659664]

約数ペア:

[(1, 81659664), (2, 40829832), (3, 27219888), (4, 20414916), (6, 13609944), (8, 10207458), (9, 9073296), (12, 6804972), (16, 5103729), (18, 4536648), (24, 3402486), (27, 3024432), (36, 2268324), (48, 1701243), (54, 1512216), (72, 1134162), (81, 1008144), (108, 756108), (144, 567081), (162, 504072), (216, 378054), (243, 336048), (324, 252036), (432, 189027), (486, 168024), (648, 126018), (729, 112016), (972, 84012), (1296, 63009), (1458, 56008), (1944, 42006), (2916, 28004), (3888, 21003), (5832, 14002), (7001, 11664)]