206564421

素因数分解:

$3^1\times 7^1\times {\mathrm{821}}^1\times {\mathrm{11981}}^1$

素因数の和:12812

約数の個数: 16

約数和(自身を含む): 315174528

約数和(自身を除く): 108610107

約数列:

[1, 3, 7, 21, 821, 2463, 5747, 11981, 17241, 35943, 83867, 251601, 9836401, 29509203, 68854807, 206564421]

約数ペア:

[(1, 206564421), (3, 68854807), (7, 29509203), (21, 9836401), (821, 251601), (2463, 83867), (5747, 35943), (11981, 17241)]