28135569

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3929}}^1$

素因数の和:3981

約数の個数: 32

約数和(自身を含む): 48291840

約数和(自身を除く): 20156271

約数列:

[1, 3, 7, 11, 21, 31, 33, 77, 93, 217, 231, 341, 651, 1023, 2387, 3929, 7161, 11787, 27503, 43219, 82509, 121799, 129657, 302533, 365397, 852593, 907599, 1339789, 2557779, 4019367, 9378523, 28135569]

約数ペア:

[(1, 28135569), (3, 9378523), (7, 4019367), (11, 2557779), (21, 1339789), (31, 907599), (33, 852593), (77, 365397), (93, 302533), (217, 129657), (231, 121799), (341, 82509), (651, 43219), (1023, 27503), (2387, 11787), (3929, 7161)]