81313452

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^3\times {\mathrm{1697}}^1$

素因数の和:1740

約数の個数: 72

約数和(自身を含む): 226214352

約数和(自身を除く): 144900900

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 121, 132, 198, 242, 363, 396, 484, 726, 1089, 1331, 1452, 1697, 2178, 2662, 3394, 3993, 4356, 5091, 5324, 6788, 7986, 10182, 11979, 15273, 15972, 18667, 20364, 23958, 30546, 37334, 47916, 56001, 61092, 74668, 112002, 168003, 205337, 224004, 336006, 410674, 616011, 672012, 821348, 1232022, 1848033, 2258707, 2464044, 3696066, 4517414, 6776121, 7392132, 9034828, 13552242, 20328363, 27104484, 40656726, 81313452]

約数ペア:

[(1, 81313452), (2, 40656726), (3, 27104484), (4, 20328363), (6, 13552242), (9, 9034828), (11, 7392132), (12, 6776121), (18, 4517414), (22, 3696066), (33, 2464044), (36, 2258707), (44, 1848033), (66, 1232022), (99, 821348), (121, 672012), (132, 616011), (198, 410674), (242, 336006), (363, 224004), (396, 205337), (484, 168003), (726, 112002), (1089, 74668), (1331, 61092), (1452, 56001), (1697, 47916), (2178, 37334), (2662, 30546), (3394, 23958), (3993, 20364), (4356, 18667), (5091, 15972), (5324, 15273), (6788, 11979), (7986, 10182)]