198440145

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47417}}^1$

素因数の和:47462

約数の個数: 32

約数和(自身を含む): 364170240

約数和(自身を除く): 165730095

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 837, 1395, 4185, 47417, 142251, 237085, 426753, 711255, 1280259, 1469927, 2133765, 4409781, 6401295, 7349635, 13229343, 22048905, 39688029, 66146715, 198440145]

約数ペア:

[(1, 198440145), (3, 66146715), (5, 39688029), (9, 22048905), (15, 13229343), (27, 7349635), (31, 6401295), (45, 4409781), (93, 2133765), (135, 1469927), (155, 1280259), (279, 711255), (465, 426753), (837, 237085), (1395, 142251), (4185, 47417)]