7216755

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1$

素因数の和:356

約数の個数: 64

約数和(自身を含む): 15095808

約数和(自身を除く): 7879053

約数列:

[1, 3, 5, 7, 13, 15, 17, 21, 35, 39, 51, 65, 85, 91, 105, 119, 195, 221, 255, 273, 311, 357, 455, 595, 663, 933, 1105, 1365, 1547, 1555, 1785, 2177, 3315, 4043, 4641, 4665, 5287, 6531, 7735, 10885, 12129, 15861, 20215, 23205, 26435, 28301, 32655, 37009, 60645, 68731, 79305, 84903, 111027, 141505, 185045, 206193, 343655, 424515, 481117, 555135, 1030965, 1443351, 2405585, 7216755]

約数ペア:

[(1, 7216755), (3, 2405585), (5, 1443351), (7, 1030965), (13, 555135), (15, 481117), (17, 424515), (21, 343655), (35, 206193), (39, 185045), (51, 141505), (65, 111027), (85, 84903), (91, 79305), (105, 68731), (119, 60645), (195, 37009), (221, 32655), (255, 28301), (273, 26435), (311, 23205), (357, 20215), (455, 15861), (595, 12129), (663, 10885), (933, 7735), (1105, 6531), (1365, 5287), (1547, 4665), (1555, 4641), (1785, 4043), (2177, 3315)]