197905215

素因数分解:

$3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{66973}}^1$

素因数の和:67178

約数の個数: 16

約数和(自身を含む): 318260448

約数和(自身を除く): 120355233

約数列:

[1, 3, 5, 15, 197, 591, 985, 2955, 66973, 200919, 334865, 1004595, 13193681, 39581043, 65968405, 197905215]

約数ペア:

[(1, 197905215), (3, 65968405), (5, 39581043), (15, 13193681), (197, 1004595), (591, 334865), (985, 200919), (2955, 66973)]