17666655

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2389}}^1$

素因数の和:2443

約数の個数: 32

約数和(自身を含む): 30974400

約数和(自身を除く): 13307745

約数列:

[1, 3, 5, 15, 17, 29, 51, 85, 87, 145, 255, 435, 493, 1479, 2389, 2465, 7167, 7395, 11945, 35835, 40613, 69281, 121839, 203065, 207843, 346405, 609195, 1039215, 1177777, 3533331, 5888885, 17666655]

約数ペア:

[(1, 17666655), (3, 5888885), (5, 3533331), (15, 1177777), (17, 1039215), (29, 609195), (51, 346405), (85, 207843), (87, 203065), (145, 121839), (255, 69281), (435, 40613), (493, 35835), (1479, 11945), (2389, 7395), (2465, 7167)]