81212025

素因数分解:

$3^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{18353}}^1$

素因数の和:18425

約数の個数: 24

約数和(自身を含む): 136553760

約数和(自身を除く): 55341735

約数列:

[1, 3, 5, 15, 25, 59, 75, 177, 295, 885, 1475, 4425, 18353, 55059, 91765, 275295, 458825, 1082827, 1376475, 3248481, 5414135, 16242405, 27070675, 81212025]

約数ペア:

[(1, 81212025), (3, 27070675), (5, 16242405), (15, 5414135), (25, 3248481), (59, 1376475), (75, 1082827), (177, 458825), (295, 275295), (885, 91765), (1475, 55059), (4425, 18353)]