1680205821

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3478687}}^1$

素因数の和:3478720

約数の個数: 16

約数和(自身を含む): 2671632384

約数和(自身を除く): 991426563

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 3478687, 10436061, 24350809, 73052427, 80009801, 240029403, 560068607, 1680205821]

約数ペア:

[(1, 1680205821), (3, 560068607), (7, 240029403), (21, 80009801), (23, 73052427), (69, 24350809), (161, 10436061), (483, 3478687)]