399806145

素因数分解:

$3^3\times 5^1\times {\mathrm{2961527}}^1$

素因数の和:2961541

約数の個数: 16

約数和(自身を含む): 710766720

約数和(自身を除く): 310960575

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 2961527, 8884581, 14807635, 26653743, 44422905, 79961229, 133268715, 399806145]

約数ペア:

[(1, 399806145), (3, 133268715), (5, 79961229), (9, 44422905), (15, 26653743), (27, 14807635), (45, 8884581), (135, 2961527)]