16987173

素因数分解:

$3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{1583}}^1$

素因数の和:1673

約数の個数: 24

約数和(自身を含む): 26725248

約数和(自身を除く): 9738075

約数列:

[1, 3, 7, 21, 49, 73, 147, 219, 511, 1533, 1583, 3577, 4749, 10731, 11081, 33243, 77567, 115559, 232701, 346677, 808913, 2426739, 5662391, 16987173]

約数ペア:

[(1, 16987173), (3, 5662391), (7, 2426739), (21, 808913), (49, 346677), (73, 232701), (147, 115559), (219, 77567), (511, 33243), (1533, 11081), (1583, 10731), (3577, 4749)]