51987315

素因数分解:

$3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1\times {\mathrm{241}}^1$

素因数の和:519

約数の個数: 32

約数和(自身を含む): 85098816

約数和(自身を除く): 33111501

約数列:

[1, 3, 5, 15, 73, 197, 219, 241, 365, 591, 723, 985, 1095, 1205, 2955, 3615, 14381, 17593, 43143, 47477, 52779, 71905, 87965, 142431, 215715, 237385, 263895, 712155, 3465821, 10397463, 17329105, 51987315]

約数ペア:

[(1, 51987315), (3, 17329105), (5, 10397463), (15, 3465821), (73, 712155), (197, 263895), (219, 237385), (241, 215715), (365, 142431), (591, 87965), (723, 71905), (985, 52779), (1095, 47477), (1205, 43143), (2955, 17593), (3615, 14381)]