156964353

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{1171}}^1$

素因数の和:1685

約数の個数: 32

約数和(自身を含む): 258327552

約数和(自身を除く): 101363199

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 491, 1171, 1473, 3437, 3513, 6383, 8197, 10311, 15223, 19149, 24591, 44681, 45669, 106561, 134043, 319683, 574961, 1724883, 4024727, 7474493, 12074181, 22423479, 52321451, 156964353]

約数ペア:

[(1, 156964353), (3, 52321451), (7, 22423479), (13, 12074181), (21, 7474493), (39, 4024727), (91, 1724883), (273, 574961), (491, 319683), (1171, 134043), (1473, 106561), (3437, 45669), (3513, 44681), (6383, 24591), (8197, 19149), (10311, 15223)]