65868915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{241}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 128240640

約数和(自身を除く): 62371725

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 137, 241, 285, 399, 411, 665, 685, 723, 959, 1205, 1687, 1995, 2055, 2603, 2877, 3615, 4579, 4795, 5061, 7809, 8435, 13015, 13737, 14385, 18221, 22895, 25305, 32053, 33017, 39045, 54663, 68685, 91105, 96159, 99051, 160265, 165085, 231119, 273315, 480795, 495255, 627323, 693357, 1155595, 1881969, 3136615, 3466785, 4391261, 9409845, 13173783, 21956305, 65868915]

約数ペア:

[(1, 65868915), (3, 21956305), (5, 13173783), (7, 9409845), (15, 4391261), (19, 3466785), (21, 3136615), (35, 1881969), (57, 1155595), (95, 693357), (105, 627323), (133, 495255), (137, 480795), (241, 273315), (285, 231119), (399, 165085), (411, 160265), (665, 99051), (685, 96159), (723, 91105), (959, 68685), (1205, 54663), (1687, 39045), (1995, 33017), (2055, 32053), (2603, 25305), (2877, 22895), (3615, 18221), (4579, 14385), (4795, 13737), (5061, 13015), (7809, 8435)]