198721567191

素因数分解:

$3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{2917}}^1\times {\mathrm{17923}}^1$

素因数の和:21031

約数の個数: 32

約数和(自身を含む): 304608199168

約数和(自身を除く): 105886631977

約数列:

[1, 3, 7, 21, 181, 543, 1267, 2917, 3801, 8751, 17923, 20419, 53769, 61257, 125461, 376383, 527977, 1583931, 3244063, 3695839, 9732189, 11087517, 22708441, 52281391, 68125323, 156844173, 365969737, 1097909211, 9462931771, 28388795313, 66240522397, 198721567191]

約数ペア:

[(1, 198721567191), (3, 66240522397), (7, 28388795313), (21, 9462931771), (181, 1097909211), (543, 365969737), (1267, 156844173), (2917, 68125323), (3801, 52281391), (8751, 22708441), (17923, 11087517), (20419, 9732189), (53769, 3695839), (61257, 3244063), (125461, 1583931), (376383, 527977)]