201921853

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{18719}}^1$

素因数の和:18816

約数の個数: 16

約数和(自身を含む): 244408320

約数和(自身を除く): 42486467

約数列:

[1, 7, 23, 67, 161, 469, 1541, 10787, 18719, 131033, 430537, 1254173, 3013759, 8779211, 28845979, 201921853]

約数ペア:

[(1, 201921853), (7, 28845979), (23, 8779211), (67, 3013759), (161, 1254173), (469, 430537), (1541, 131033), (10787, 18719)]