690795

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:81

約数の個数: 64

約数和(自身を含む): 1520640

約数和(自身を除く): 829845

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 43, 45, 51, 63, 85, 105, 119, 129, 135, 153, 189, 215, 255, 301, 315, 357, 387, 459, 595, 645, 731, 765, 903, 945, 1071, 1161, 1505, 1785, 1935, 2193, 2295, 2709, 3213, 3655, 4515, 5117, 5355, 5805, 6579, 8127, 10965, 13545, 15351, 16065, 19737, 25585, 32895, 40635, 46053, 76755, 98685, 138159, 230265, 690795]

約数ペア:

[(1, 690795), (3, 230265), (5, 138159), (7, 98685), (9, 76755), (15, 46053), (17, 40635), (21, 32895), (27, 25585), (35, 19737), (43, 16065), (45, 15351), (51, 13545), (63, 10965), (85, 8127), (105, 6579), (119, 5805), (129, 5355), (135, 5117), (153, 4515), (189, 3655), (215, 3213), (255, 2709), (301, 2295), (315, 2193), (357, 1935), (387, 1785), (459, 1505), (595, 1161), (645, 1071), (731, 945), (765, 903)]