191534991

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1\times {\mathrm{241}}^1$

素因数の和:527

約数の個数: 32

約数和(自身を含む): 275066880

約数和(自身を除く): 83531889

約数列:

[1, 3, 19, 57, 73, 191, 219, 241, 573, 723, 1387, 3629, 4161, 4579, 10887, 13737, 13943, 17593, 41829, 46031, 52779, 138093, 264917, 334267, 794751, 874589, 1002801, 2623767, 3360263, 10080789, 63844997, 191534991]

約数ペア:

[(1, 191534991), (3, 63844997), (19, 10080789), (57, 3360263), (73, 2623767), (191, 1002801), (219, 874589), (241, 794751), (573, 334267), (723, 264917), (1387, 138093), (3629, 52779), (4161, 46031), (4579, 41829), (10887, 17593), (13737, 13943)]