1947617721

素因数分解:

$3^2\times 7^1\times {\mathrm{359}}^1\times {\mathrm{86113}}^1$

素因数の和:86485

約数の個数: 24

約数和(自身を含む): 3224108160

約数和(自身を除く): 1276490439

約数列:

[1, 3, 7, 9, 21, 63, 359, 1077, 2513, 3231, 7539, 22617, 86113, 258339, 602791, 775017, 1808373, 5425119, 30914567, 92743701, 216401969, 278231103, 649205907, 1947617721]

約数ペア:

[(1, 1947617721), (3, 649205907), (7, 278231103), (9, 216401969), (21, 92743701), (63, 30914567), (359, 5425119), (1077, 1808373), (2513, 775017), (3231, 602791), (7539, 258339), (22617, 86113)]