7212387

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{911}}^1$

素因数の和:963

約数の個数: 32

約数和(自身を含む): 12257280

約数和(自身を除く): 5044893

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 203, 273, 377, 609, 911, 1131, 2639, 2733, 6377, 7917, 11843, 19131, 26419, 35529, 79257, 82901, 184933, 248703, 343447, 554799, 1030341, 2404129, 7212387]

約数ペア:

[(1, 7212387), (3, 2404129), (7, 1030341), (13, 554799), (21, 343447), (29, 248703), (39, 184933), (87, 82901), (91, 79257), (203, 35529), (273, 26419), (377, 19131), (609, 11843), (911, 7917), (1131, 6377), (2639, 2733)]