2019941721

素因数分解:

$3^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{134153}}^1$

素因数の和:134405

約数の個数: 24

約数和(自身を含む): 3348483840

約数和(自身を除く): 1328542119

約数列:

[1, 3, 7, 9, 21, 63, 239, 717, 1673, 2151, 5019, 15057, 134153, 402459, 939071, 1207377, 2817213, 8451639, 32062567, 96187701, 224437969, 288563103, 673313907, 2019941721]

約数ペア:

[(1, 2019941721), (3, 673313907), (7, 288563103), (9, 224437969), (21, 96187701), (63, 32062567), (239, 8451639), (717, 2817213), (1673, 1207377), (2151, 939071), (5019, 402459), (15057, 134153)]