171839241

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{937}}^1$

素因数の和:1062

約数の個数: 48

約数和(自身を含む): 294997248

約数和(自身を除く): 123158007

約数列:

[1, 3, 7, 9, 21, 41, 63, 71, 123, 213, 287, 369, 497, 639, 861, 937, 1491, 2583, 2811, 2911, 4473, 6559, 8433, 8733, 19677, 20377, 26199, 38417, 59031, 61131, 66527, 115251, 183393, 199581, 268919, 345753, 465689, 598743, 806757, 1397067, 2420271, 2727607, 4191201, 8182821, 19093249, 24548463, 57279747, 171839241]

約数ペア:

[(1, 171839241), (3, 57279747), (7, 24548463), (9, 19093249), (21, 8182821), (41, 4191201), (63, 2727607), (71, 2420271), (123, 1397067), (213, 806757), (287, 598743), (369, 465689), (497, 345753), (639, 268919), (861, 199581), (937, 183393), (1491, 115251), (2583, 66527), (2811, 61131), (2911, 59031), (4473, 38417), (6559, 26199), (8433, 20377), (8733, 19677)]