28662255

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:238

約数の個数: 80

約数和(自身を含む): 57081024

約数和(自身を除く): 28418769

約数列:

[1, 3, 5, 9, 15, 17, 23, 27, 45, 51, 69, 81, 85, 115, 135, 153, 181, 207, 255, 345, 391, 405, 459, 543, 621, 765, 905, 1035, 1173, 1377, 1629, 1863, 1955, 2295, 2715, 3077, 3105, 3519, 4163, 4887, 5865, 6885, 8145, 9231, 9315, 10557, 12489, 14661, 15385, 17595, 20815, 24435, 27693, 31671, 37467, 46155, 52785, 62445, 70771, 73305, 83079, 112401, 138465, 158355, 187335, 212313, 249237, 337203, 353855, 415395, 562005, 636939, 1061565, 1246185, 1686015, 1910817, 3184695, 5732451, 9554085, 28662255]

約数ペア:

[(1, 28662255), (3, 9554085), (5, 5732451), (9, 3184695), (15, 1910817), (17, 1686015), (23, 1246185), (27, 1061565), (45, 636939), (51, 562005), (69, 415395), (81, 353855), (85, 337203), (115, 249237), (135, 212313), (153, 187335), (181, 158355), (207, 138465), (255, 112401), (345, 83079), (391, 73305), (405, 70771), (459, 62445), (543, 52785), (621, 46155), (765, 37467), (905, 31671), (1035, 27693), (1173, 24435), (1377, 20815), (1629, 17595), (1863, 15385), (1955, 14661), (2295, 12489), (2715, 10557), (3077, 9315), (3105, 9231), (3519, 8145), (4163, 6885), (4887, 5865)]