4243455

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^2$

素因数の和:117

約数の個数: 48

約数和(自身を含む): 8177760

約数和(自身を除く): 3934305

約数列:

[1, 3, 5, 9, 15, 17, 27, 43, 45, 51, 85, 129, 135, 153, 215, 255, 387, 459, 645, 731, 765, 1161, 1849, 1935, 2193, 2295, 3655, 5547, 5805, 6579, 9245, 10965, 16641, 19737, 27735, 31433, 32895, 49923, 83205, 94299, 98685, 157165, 249615, 282897, 471495, 848691, 1414485, 4243455]

約数ペア:

[(1, 4243455), (3, 1414485), (5, 848691), (9, 471495), (15, 282897), (17, 249615), (27, 157165), (43, 98685), (45, 94299), (51, 83205), (85, 49923), (129, 32895), (135, 31433), (153, 27735), (215, 19737), (255, 16641), (387, 10965), (459, 9245), (645, 6579), (731, 5805), (765, 5547), (1161, 3655), (1849, 2295), (1935, 2193)]