39887883

素因数分解:

$3^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{683}}^1$

素因数の和:805

約数の個数: 40

約数和(自身を含む): 68859648

約数和(自身を除く): 28971765

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 103, 189, 309, 567, 683, 721, 927, 2049, 2163, 2781, 4781, 6147, 6489, 8343, 14343, 18441, 19467, 43029, 55323, 58401, 70349, 129087, 211047, 387261, 492443, 633141, 1477329, 1899423, 4431987, 5698269, 13295961, 39887883]

約数ペア:

[(1, 39887883), (3, 13295961), (7, 5698269), (9, 4431987), (21, 1899423), (27, 1477329), (63, 633141), (81, 492443), (103, 387261), (189, 211047), (309, 129087), (567, 70349), (683, 58401), (721, 55323), (927, 43029), (2049, 19467), (2163, 18441), (2781, 14343), (4781, 8343), (6147, 6489)]