61999995

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{1381}}^1$

素因数の和:1503

約数の個数: 32

約数和(自身を含む): 103086144

約数和(自身を除く): 41086149

約数列:

[1, 3, 5, 15, 41, 73, 123, 205, 219, 365, 615, 1095, 1381, 2993, 4143, 6905, 8979, 14965, 20715, 44895, 56621, 100813, 169863, 283105, 302439, 504065, 849315, 1512195, 4133333, 12399999, 20666665, 61999995]

約数ペア:

[(1, 61999995), (3, 20666665), (5, 12399999), (15, 4133333), (41, 1512195), (73, 849315), (123, 504065), (205, 302439), (219, 283105), (365, 169863), (615, 100813), (1095, 56621), (1381, 44895), (2993, 20715), (4143, 14965), (6905, 8979)]