201421325

素因数分解:

$5^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{6359}}^1$

素因数の和:6557

約数の個数: 24

約数和(自身を含む): 287064960

約数和(自身を除く): 85643635

約数列:

[1, 5, 7, 25, 35, 175, 181, 905, 1267, 4525, 6335, 6359, 31675, 31795, 44513, 158975, 222565, 1112825, 1150979, 5754895, 8056853, 28774475, 40284265, 201421325]

約数ペア:

[(1, 201421325), (5, 40284265), (7, 28774475), (25, 8056853), (35, 5754895), (175, 1150979), (181, 1112825), (905, 222565), (1267, 158975), (4525, 44513), (6335, 31795), (6359, 31675)]