28354395

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1087}}^1$

素因数の和:1179

約数の個数: 32

約数和(自身を含む): 47628288

約数和(自身を除く): 19273893

約数列:

[1, 3, 5, 15, 37, 47, 111, 141, 185, 235, 555, 705, 1087, 1739, 3261, 5217, 5435, 8695, 16305, 26085, 40219, 51089, 120657, 153267, 201095, 255445, 603285, 766335, 1890293, 5670879, 9451465, 28354395]

約数ペア:

[(1, 28354395), (3, 9451465), (5, 5670879), (15, 1890293), (37, 766335), (47, 603285), (111, 255445), (141, 201095), (185, 153267), (235, 120657), (555, 51089), (705, 40219), (1087, 26085), (1739, 16305), (3261, 8695), (5217, 5435)]