28841685

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{331}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 47839872

約数和(自身を除く): 18998187

約数列:

[1, 3, 5, 15, 37, 111, 157, 185, 331, 471, 555, 785, 993, 1655, 2355, 4965, 5809, 12247, 17427, 29045, 36741, 51967, 61235, 87135, 155901, 183705, 259835, 779505, 1922779, 5768337, 9613895, 28841685]

約数ペア:

[(1, 28841685), (3, 9613895), (5, 5768337), (15, 1922779), (37, 779505), (111, 259835), (157, 183705), (185, 155901), (331, 87135), (471, 61235), (555, 51967), (785, 36741), (993, 29045), (1655, 17427), (2355, 12247), (4965, 5809)]