28976415

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8741}}^1$

素因数の和:8779

約数の個数: 32

約数和(自身を含む): 52871616

約数和(自身を除く): 23895201

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 8741, 26223, 43705, 113633, 131115, 148597, 340899, 445791, 568165, 742985, 1704495, 1931761, 2228955, 5795283, 9658805, 28976415]

約数ペア:

[(1, 28976415), (3, 9658805), (5, 5795283), (13, 2228955), (15, 1931761), (17, 1704495), (39, 742985), (51, 568165), (65, 445791), (85, 340899), (195, 148597), (221, 131115), (255, 113633), (663, 43705), (1105, 26223), (3315, 8741)]