28682805

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{331}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 47329920

約数和(自身を除く): 18647115

約数列:

[1, 3, 5, 15, 53, 109, 159, 265, 327, 331, 545, 795, 993, 1635, 1655, 4965, 5777, 17331, 17543, 28885, 36079, 52629, 86655, 87715, 108237, 180395, 263145, 541185, 1912187, 5736561, 9560935, 28682805]

約数ペア:

[(1, 28682805), (3, 9560935), (5, 5736561), (15, 1912187), (53, 541185), (109, 263145), (159, 180395), (265, 108237), (327, 87715), (331, 86655), (545, 52629), (795, 36079), (993, 28885), (1635, 17543), (1655, 17331), (4965, 5777)]