221450463

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{27431}}^1$

素因数の和:27476

約数の個数: 32

約数和(自身を含む): 368686080

約数和(自身を除く): 147235617

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 207, 299, 351, 621, 897, 2691, 8073, 27431, 82293, 246879, 356603, 630913, 740637, 1069809, 1892739, 3209427, 5678217, 8201869, 9628281, 17034651, 24605607, 73816821, 221450463]

約数ペア:

[(1, 221450463), (3, 73816821), (9, 24605607), (13, 17034651), (23, 9628281), (27, 8201869), (39, 5678217), (69, 3209427), (117, 1892739), (207, 1069809), (299, 740637), (351, 630913), (621, 356603), (897, 246879), (2691, 82293), (8073, 27431)]