201865419

素因数分解:

$3^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{6803}}^1$

素因数の和:6976

約数の個数: 32

約数和(自身を含む): 344010240

約数和(自身を除く): 142144821

約数列:

[1, 3, 7, 9, 21, 27, 63, 157, 189, 471, 1099, 1413, 3297, 4239, 6803, 9891, 20409, 29673, 47621, 61227, 142863, 183681, 428589, 1068071, 1285767, 3204213, 7476497, 9612639, 22429491, 28837917, 67288473, 201865419]

約数ペア:

[(1, 201865419), (3, 67288473), (7, 28837917), (9, 22429491), (21, 9612639), (27, 7476497), (63, 3204213), (157, 1285767), (189, 1068071), (471, 428589), (1099, 183681), (1413, 142863), (3297, 61227), (4239, 47621), (6803, 29673), (9891, 20409)]