155586.0000000

素因数分解:

$3^4\times 7^2\times {\mathrm{641}}^1$

素因数の和:667

約数の個数: 30

約数和(自身を含む): 4427874

約数和(自身を除く): 1883745

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 641, 1323, 1923, 3969, 4487, 5769, 13461, 17307, 31409, 40383, 51921, 94227, 121149, 282681, 363447, 848043, 2544129]

約数ペア:

[(1, 2544129), (3, 848043), (7, 363447), (9, 282681), (21, 121149), (27, 94227), (49, 51921), (63, 40383), (81, 31409), (147, 17307), (189, 13461), (441, 5769), (567, 4487), (641, 3969), (1323, 1923)]