28645095

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{499}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 47520000

約数和(自身を除く): 18874905

約数列:

[1, 3, 5, 15, 43, 89, 129, 215, 267, 445, 499, 645, 1335, 1497, 2495, 3827, 7485, 11481, 19135, 21457, 44411, 57405, 64371, 107285, 133233, 222055, 321855, 666165, 1909673, 5729019, 9548365, 28645095]

約数ペア:

[(1, 28645095), (3, 9548365), (5, 5729019), (15, 1909673), (43, 666165), (89, 321855), (129, 222055), (215, 133233), (267, 107285), (445, 64371), (499, 57405), (645, 44411), (1335, 21457), (1497, 19135), (2495, 11481), (3827, 7485)]