289117917

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{2477}}^1$

素因数の和:2631

約数の個数: 40

約数和(自身を含む): 474943392

約数和(自身を除く): 185825475

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 131, 297, 393, 891, 1179, 1441, 2477, 3537, 4323, 7431, 10611, 12969, 22293, 27247, 38907, 66879, 81741, 116721, 200637, 245223, 324487, 735669, 973461, 2207007, 2920383, 3569357, 8761149, 10708071, 26283447, 32124213, 96372639, 289117917]

約数ペア:

[(1, 289117917), (3, 96372639), (9, 32124213), (11, 26283447), (27, 10708071), (33, 8761149), (81, 3569357), (99, 2920383), (131, 2207007), (297, 973461), (393, 735669), (891, 324487), (1179, 245223), (1441, 200637), (2477, 116721), (3537, 81741), (4323, 66879), (7431, 38907), (10611, 27247), (12969, 22293)]