31216059

素因数分解:

$3^2\times 7^1\times {\mathrm{641}}^1\times {\mathrm{773}}^1$

素因数の和:1427

約数の個数: 24

約数和(自身を含む): 51678432

約数和(自身を除く): 20462373

約数列:

[1, 3, 7, 9, 21, 63, 641, 773, 1923, 2319, 4487, 5411, 5769, 6957, 13461, 16233, 40383, 48699, 495493, 1486479, 3468451, 4459437, 10405353, 31216059]

約数ペア:

[(1, 31216059), (3, 10405353), (7, 4459437), (9, 3468451), (21, 1486479), (63, 495493), (641, 48699), (773, 40383), (1923, 16233), (2319, 13461), (4487, 6957), (5411, 5769)]