201328821

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2039}}^1$

素因数の和:2127

約数の個数: 40

約数和(自身を含む): 319904640

約数和(自身を除く): 118575819

約数列:

[1, 3, 9, 23, 27, 53, 69, 81, 159, 207, 477, 621, 1219, 1431, 1863, 2039, 3657, 4293, 6117, 10971, 18351, 32913, 46897, 55053, 98739, 108067, 140691, 165159, 324201, 422073, 972603, 1266219, 2485541, 2917809, 3798657, 7456623, 8753427, 22369869, 67109607, 201328821]

約数ペア:

[(1, 201328821), (3, 67109607), (9, 22369869), (23, 8753427), (27, 7456623), (53, 3798657), (69, 2917809), (81, 2485541), (159, 1266219), (207, 972603), (477, 422073), (621, 324201), (1219, 165159), (1431, 140691), (1863, 108067), (2039, 98739), (3657, 55053), (4293, 46897), (6117, 32913), (10971, 18351)]