28928595

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1181}}^1$

素因数の和:1283

約数の個数: 32

約数和(自身を含む): 49019904

約数和(自身を除く): 20091309

約数列:

[1, 3, 5, 15, 23, 69, 71, 115, 213, 345, 355, 1065, 1181, 1633, 3543, 4899, 5905, 8165, 17715, 24495, 27163, 81489, 83851, 135815, 251553, 407445, 419255, 1257765, 1928573, 5785719, 9642865, 28928595]

約数ペア:

[(1, 28928595), (3, 9642865), (5, 5785719), (15, 1928573), (23, 1257765), (69, 419255), (71, 407445), (115, 251553), (213, 135815), (345, 83851), (355, 81489), (1065, 27163), (1181, 24495), (1633, 17715), (3543, 8165), (4899, 5905)]