13571721

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:461

約数の個数: 24

約数和(自身を含む): 20240064

約数和(自身を除く): 6668343

約数列:

[1, 3, 9, 67, 71, 201, 213, 317, 603, 639, 951, 2853, 4757, 14271, 21239, 22507, 42813, 63717, 67521, 191151, 202563, 1507969, 4523907, 13571721]

約数ペア:

[(1, 13571721), (3, 4523907), (9, 1507969), (67, 202563), (71, 191151), (201, 67521), (213, 63717), (317, 42813), (603, 22507), (639, 21239), (951, 14271), (2853, 4757)]