213505425

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{135559}}^1$

素因数の和:135582

約数の個数: 36

約数和(自身を含む): 437045440

約数和(自身を除く): 223540015

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 175, 225, 315, 525, 1575, 135559, 406677, 677795, 948913, 1220031, 2033385, 2846739, 3388975, 4744565, 6100155, 8540217, 10166925, 14233695, 23722825, 30500775, 42701085, 71168475, 213505425]

約数ペア:

[(1, 213505425), (3, 71168475), (5, 42701085), (7, 30500775), (9, 23722825), (15, 14233695), (21, 10166925), (25, 8540217), (35, 6100155), (45, 4744565), (63, 3388975), (75, 2846739), (105, 2033385), (175, 1220031), (225, 948913), (315, 677795), (525, 406677), (1575, 135559)]