16920225

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{3581}}^1$

素因数の和:3607

約数の個数: 48

約数和(自身を含む): 35533440

約数和(自身を除く): 18613215

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 135, 175, 189, 225, 315, 525, 675, 945, 1575, 3581, 4725, 10743, 17905, 25067, 32229, 53715, 75201, 89525, 96687, 125335, 161145, 225603, 268575, 376005, 483435, 626675, 676809, 805725, 1128015, 1880025, 2417175, 3384045, 5640075, 16920225]

約数ペア:

[(1, 16920225), (3, 5640075), (5, 3384045), (7, 2417175), (9, 1880025), (15, 1128015), (21, 805725), (25, 676809), (27, 626675), (35, 483435), (45, 376005), (63, 268575), (75, 225603), (105, 161145), (135, 125335), (175, 96687), (189, 89525), (225, 75201), (315, 53715), (525, 32229), (675, 25067), (945, 17905), (1575, 10743), (3581, 4725)]