289315185

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{5153}}^1$

素因数の和:5377

約数の個数: 32

約数和(自身を含む): 489836160

約数和(自身を除く): 200520975

約数列:

[1, 3, 5, 15, 19, 57, 95, 197, 285, 591, 985, 2955, 3743, 5153, 11229, 15459, 18715, 25765, 56145, 77295, 97907, 293721, 489535, 1015141, 1468605, 3045423, 5075705, 15227115, 19287679, 57863037, 96438395, 289315185]

約数ペア:

[(1, 289315185), (3, 96438395), (5, 57863037), (15, 19287679), (19, 15227115), (57, 5075705), (95, 3045423), (197, 1468605), (285, 1015141), (591, 489535), (985, 293721), (2955, 97907), (3743, 77295), (5153, 56145), (11229, 25765), (15459, 18715)]