81724425

素因数分解:

$3^1\times 5^2\times {\mathrm{113}}^1\times {\mathrm{9643}}^1$

素因数の和:9769

約数の個数: 24

約数和(自身を含む): 136327584

約数和(自身を除く): 54603159

約数列:

[1, 3, 5, 15, 25, 75, 113, 339, 565, 1695, 2825, 8475, 9643, 28929, 48215, 144645, 241075, 723225, 1089659, 3268977, 5448295, 16344885, 27241475, 81724425]

約数ペア:

[(1, 81724425), (3, 27241475), (5, 16344885), (15, 5448295), (25, 3268977), (75, 1089659), (113, 723225), (339, 241075), (565, 144645), (1695, 48215), (2825, 28929), (8475, 9643)]