201946815

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{641101}}^1$

素因数の和:641119

約数の個数: 24

約数和(自身を含む): 400047648

約数和(自身を除く): 198100833

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 641101, 1923303, 3205505, 4487707, 5769909, 9616515, 13463121, 22438535, 28849545, 40389363, 67315605, 201946815]

約数ペア:

[(1, 201946815), (3, 67315605), (5, 40389363), (7, 28849545), (9, 22438535), (15, 13463121), (21, 9616515), (35, 5769909), (45, 4487707), (63, 3205505), (105, 1923303), (315, 641101)]