4078215

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1777}}^1$

素因数の和:1808

約数の個数: 32

約数和(自身を含む): 7680960

約数和(自身を除く): 3602745

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 1777, 2295, 5331, 8885, 15993, 26655, 30209, 47979, 79965, 90627, 151045, 239895, 271881, 453135, 815643, 1359405, 4078215]

約数ペア:

[(1, 4078215), (3, 1359405), (5, 815643), (9, 453135), (15, 271881), (17, 239895), (27, 151045), (45, 90627), (51, 79965), (85, 47979), (135, 30209), (153, 26655), (255, 15993), (459, 8885), (765, 5331), (1777, 2295)]