83899995

素因数分解:

$3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1\times {\mathrm{397}}^1$

素因数の和:671

約数の個数: 32

約数和(自身を含む): 137128512

約数和(自身を除く): 53228517

約数列:

[1, 3, 5, 15, 73, 193, 219, 365, 397, 579, 965, 1095, 1191, 1985, 2895, 5955, 14089, 28981, 42267, 70445, 76621, 86943, 144905, 211335, 229863, 383105, 434715, 1149315, 5593333, 16779999, 27966665, 83899995]

約数ペア:

[(1, 83899995), (3, 27966665), (5, 16779999), (15, 5593333), (73, 1149315), (193, 434715), (219, 383105), (365, 229863), (397, 211335), (579, 144905), (965, 86943), (1095, 76621), (1191, 70445), (1985, 42267), (2895, 28981), (5955, 14089)]