201449619

素因数分解:

$3^3\times 7^1\times {\mathrm{359}}^1\times {\mathrm{2969}}^1$

素因数の和:3344

約数の個数: 32

約数和(自身を含む): 342144000

約数和(自身を除く): 140694381

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 359, 1077, 2513, 2969, 3231, 7539, 8907, 9693, 20783, 22617, 26721, 62349, 67851, 80163, 187047, 561141, 1065871, 3197613, 7461097, 9592839, 22383291, 28778517, 67149873, 201449619]

約数ペア:

[(1, 201449619), (3, 67149873), (7, 28778517), (9, 22383291), (21, 9592839), (27, 7461097), (63, 3197613), (189, 1065871), (359, 561141), (1077, 187047), (2513, 80163), (2969, 67851), (3231, 62349), (7539, 26721), (8907, 22617), (9693, 20783)]