18271175

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3307}}^1$

素因数の和:3347

約数の個数: 24

約数和(自身を含む): 25842096

約数和(自身を除く): 7570921

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 3307, 5525, 16535, 42991, 56219, 82675, 214955, 281095, 730847, 1074775, 1405475, 3654235, 18271175]

約数ペア:

[(1, 18271175), (5, 3654235), (13, 1405475), (17, 1074775), (25, 730847), (65, 281095), (85, 214955), (221, 82675), (325, 56219), (425, 42991), (1105, 16535), (3307, 5525)]