1561266

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{12391}}^1$

素因数の和:12406

約数の個数: 24

約数和(自身を含む): 3866304

約数和(自身を除く): 2305038

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 12391, 24782, 37173, 74346, 86737, 111519, 173474, 223038, 260211, 520422, 780633, 1561266]

約数ペア:

[(1, 1561266), (2, 780633), (3, 520422), (6, 260211), (7, 223038), (9, 173474), (14, 111519), (18, 86737), (21, 74346), (42, 37173), (63, 24782), (126, 12391)]