215682813

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{8353}}^1$

素因数の和:8529

約数の個数: 24

約数和(自身を含む): 330150080

約数和(自身を除く): 114467267

約数列:

[1, 3, 9, 19, 57, 151, 171, 453, 1359, 2869, 8353, 8607, 25059, 25821, 75177, 158707, 476121, 1261303, 1428363, 3783909, 11351727, 23964757, 71894271, 215682813]

約数ペア:

[(1, 215682813), (3, 71894271), (9, 23964757), (19, 11351727), (57, 3783909), (151, 1428363), (171, 1261303), (453, 476121), (1359, 158707), (2869, 75177), (8353, 25821), (8607, 25059)]