2012193981

素因数分解:

$3^4\times 7^1\times {\mathrm{773}}^1\times {\mathrm{4591}}^1$

素因数の和:5383

約数の個数: 40

約数和(自身を含む): 3440473344

約数和(自身を除く): 1428279363

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 773, 2319, 4591, 5411, 6957, 13773, 16233, 20871, 32137, 41319, 48699, 62613, 96411, 123957, 146097, 289233, 371871, 438291, 867699, 2603097, 3548843, 10646529, 24841901, 31939587, 74525703, 95818761, 223577109, 287456283, 670731327, 2012193981]

約数ペア:

[(1, 2012193981), (3, 670731327), (7, 287456283), (9, 223577109), (21, 95818761), (27, 74525703), (63, 31939587), (81, 24841901), (189, 10646529), (567, 3548843), (773, 2603097), (2319, 867699), (4591, 438291), (5411, 371871), (6957, 289233), (13773, 146097), (16233, 123957), (20871, 96411), (32137, 62613), (41319, 48699)]