289095105

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{997}}^1\times {\mathrm{1487}}^1$

素因数の和:2505

約数の個数: 32

約数和(自身を含む): 498968064

約数和(自身を除く): 209872959

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 997, 1487, 2991, 4461, 4985, 7435, 12961, 14955, 19331, 22305, 38883, 57993, 64805, 96655, 194415, 289965, 1482539, 4447617, 7412695, 19273007, 22238085, 57819021, 96365035, 289095105]

約数ペア:

[(1, 289095105), (3, 96365035), (5, 57819021), (13, 22238085), (15, 19273007), (39, 7412695), (65, 4447617), (195, 1482539), (997, 289965), (1487, 194415), (2991, 96655), (4461, 64805), (4985, 57993), (7435, 38883), (12961, 22305), (14955, 19331)]