193465293

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{491}}^1\times {\mathrm{647}}^1$

素因数の和:1177

約数の個数: 32

約数和(自身を含む): 306063360

約数和(自身を除く): 112598067

約数列:

[1, 3, 7, 21, 29, 87, 203, 491, 609, 647, 1473, 1941, 3437, 4529, 10311, 13587, 14239, 18763, 42717, 56289, 99673, 131341, 299019, 317677, 394023, 953031, 2223739, 6671217, 9212633, 27637899, 64488431, 193465293]

約数ペア:

[(1, 193465293), (3, 64488431), (7, 27637899), (21, 9212633), (29, 6671217), (87, 2223739), (203, 953031), (491, 394023), (609, 317677), (647, 299019), (1473, 131341), (1941, 99673), (3437, 56289), (4529, 42717), (10311, 18763), (13587, 14239)]