16901521

素因数分解:

$7^2\times {\mathrm{13}}^3\times {\mathrm{157}}^1$

素因数の和:210

約数の個数: 24

約数和(自身を含む): 21434280

約数和(自身を除く): 4532759

約数列:

[1, 7, 13, 49, 91, 157, 169, 637, 1099, 1183, 2041, 2197, 7693, 8281, 14287, 15379, 26533, 100009, 107653, 185731, 344929, 1300117, 2414503, 16901521]

約数ペア:

[(1, 16901521), (7, 2414503), (13, 1300117), (49, 344929), (91, 185731), (157, 107653), (169, 100009), (637, 26533), (1099, 15379), (1183, 14287), (2041, 8281), (2197, 7693)]