440505

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1$

素因数の和:278

約数の個数: 32

約数和(自身を含む): 846720

約数和(自身を除く): 406215

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 251, 351, 585, 753, 1255, 1755, 2259, 3263, 3765, 6777, 9789, 11295, 16315, 29367, 33885, 48945, 88101, 146835, 440505]

約数ペア:

[(1, 440505), (3, 146835), (5, 88101), (9, 48945), (13, 33885), (15, 29367), (27, 16315), (39, 11295), (45, 9789), (65, 6777), (117, 3765), (135, 3263), (195, 2259), (251, 1755), (351, 1255), (585, 753)]