201427825

素因数分解:

$5^2\times {\mathrm{53}}^1\times {\mathrm{281}}^1\times {\mathrm{541}}^1$

素因数の和:885

約数の個数: 24

約数和(自身を含む): 255860856

約数和(自身を除く): 54433031

約数列:

[1, 5, 25, 53, 265, 281, 541, 1325, 1405, 2705, 7025, 13525, 14893, 28673, 74465, 143365, 152021, 372325, 716825, 760105, 3800525, 8057113, 40285565, 201427825]

約数ペア:

[(1, 201427825), (5, 40285565), (25, 8057113), (53, 3800525), (265, 760105), (281, 716825), (541, 372325), (1325, 152021), (1405, 143365), (2705, 74465), (7025, 28673), (13525, 14893)]