216205425

素因数分解:

$3^2\times 5^2\times {\mathrm{277}}^1\times {\mathrm{3469}}^1$

素因数の和:3762

約数の個数: 36

約数和(自身を含む): 388757980

約数和(自身を除く): 172552555

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 277, 831, 1385, 2493, 3469, 4155, 6925, 10407, 12465, 17345, 20775, 31221, 52035, 62325, 86725, 156105, 260175, 780525, 960913, 2882739, 4804565, 8648217, 14413695, 24022825, 43241085, 72068475, 216205425]

約数ペア:

[(1, 216205425), (3, 72068475), (5, 43241085), (9, 24022825), (15, 14413695), (25, 8648217), (45, 4804565), (75, 2882739), (225, 960913), (277, 780525), (831, 260175), (1385, 156105), (2493, 86725), (3469, 62325), (4155, 52035), (6925, 31221), (10407, 20775), (12465, 17345)]