28892451

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{401}}^1$

素因数の和:531

約数の個数: 32

約数和(自身を含む): 45692928

約数和(自身を除く): 16800477

約数列:

[1, 3, 7, 21, 47, 73, 141, 219, 329, 401, 511, 987, 1203, 1533, 2807, 3431, 8421, 10293, 18847, 24017, 29273, 56541, 72051, 87819, 131929, 204911, 395787, 614733, 1375831, 4127493, 9630817, 28892451]

約数ペア:

[(1, 28892451), (3, 9630817), (7, 4127493), (21, 1375831), (47, 614733), (73, 395787), (141, 204911), (219, 131929), (329, 87819), (401, 72051), (511, 56541), (987, 29273), (1203, 24017), (1533, 18847), (2807, 10293), (3431, 8421)]