28100877

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:529

約数の個数: 32

約数和(自身を含む): 44457984

約数和(自身を除く): 16357107

約数列:

[1, 3, 7, 21, 47, 71, 141, 213, 329, 401, 497, 987, 1203, 1491, 2807, 3337, 8421, 10011, 18847, 23359, 28471, 56541, 70077, 85413, 131929, 199297, 395787, 597891, 1338137, 4014411, 9366959, 28100877]

約数ペア:

[(1, 28100877), (3, 9366959), (7, 4014411), (21, 1338137), (47, 597891), (71, 395787), (141, 199297), (213, 131929), (329, 85413), (401, 70077), (497, 56541), (987, 28471), (1203, 23359), (1491, 18847), (2807, 10011), (3337, 8421)]