393397347

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{541}}^1\times {\mathrm{1117}}^1$

素因数の和:1699

約数の個数: 32

約数和(自身を含む): 620498944

約数和(自身を除く): 227101597

約数列:

[1, 3, 7, 21, 31, 93, 217, 541, 651, 1117, 1623, 3351, 3787, 7819, 11361, 16771, 23457, 34627, 50313, 103881, 117397, 242389, 352191, 604297, 727167, 1812891, 4230079, 12690237, 18733207, 56199621, 131132449, 393397347]

約数ペア:

[(1, 393397347), (3, 131132449), (7, 56199621), (21, 18733207), (31, 12690237), (93, 4230079), (217, 1812891), (541, 727167), (651, 604297), (1117, 352191), (1623, 242389), (3351, 117397), (3787, 103881), (7819, 50313), (11361, 34627), (16771, 23457)]