201813129

素因数分解:

$3^2\times 7^1\times {\mathrm{439}}^1\times {\mathrm{7297}}^1$

素因数の和:7749

約数の個数: 24

約数和(自身を含む): 333956480

約数和(自身を除く): 132143351

約数列:

[1, 3, 7, 9, 21, 63, 439, 1317, 3073, 3951, 7297, 9219, 21891, 27657, 51079, 65673, 153237, 459711, 3203383, 9610149, 22423681, 28830447, 67271043, 201813129]

約数ペア:

[(1, 201813129), (3, 67271043), (7, 28830447), (9, 22423681), (21, 9610149), (63, 3203383), (439, 459711), (1317, 153237), (3073, 65673), (3951, 51079), (7297, 27657), (9219, 21891)]