208029843

素因数分解:

$3^3\times 7^4\times {\mathrm{3209}}^1$

素因数の和:3246

約数の個数: 40

約数和(自身を含む): 359648400

約数和(自身を除く): 151618557

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 343, 441, 1029, 1323, 2401, 3087, 3209, 7203, 9261, 9627, 21609, 22463, 28881, 64827, 67389, 86643, 157241, 202167, 471723, 606501, 1100687, 1415169, 3302061, 4245507, 7704809, 9906183, 23114427, 29718549, 69343281, 208029843]

約数ペア:

[(1, 208029843), (3, 69343281), (7, 29718549), (9, 23114427), (21, 9906183), (27, 7704809), (49, 4245507), (63, 3302061), (147, 1415169), (189, 1100687), (343, 606501), (441, 471723), (1029, 202167), (1323, 157241), (2401, 86643), (3087, 67389), (3209, 64827), (7203, 28881), (9261, 22463), (9627, 21609)]