258876765

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1667}}^1$

素因数の和:1731

約数の個数: 96

約数和(自身を含む): 562049280

約数和(自身を除く): 303172515

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 29, 35, 45, 51, 63, 85, 87, 105, 119, 145, 153, 203, 255, 261, 315, 357, 435, 493, 595, 609, 765, 1015, 1071, 1305, 1479, 1667, 1785, 1827, 2465, 3045, 3451, 4437, 5001, 5355, 7395, 8335, 9135, 10353, 11669, 15003, 17255, 22185, 25005, 28339, 31059, 35007, 48343, 51765, 58345, 75015, 85017, 105021, 141695, 145029, 155295, 175035, 198373, 241715, 255051, 338401, 425085, 435087, 525105, 595119, 725145, 821831, 991865, 1015203, 1275255, 1692005, 1785357, 2175435, 2465493, 2975595, 3045609, 4109155, 5076015, 5752817, 7396479, 8926785, 12327465, 15228045, 17258451, 28764085, 36982395, 51775353, 86292255, 258876765]

約数ペア:

[(1, 258876765), (3, 86292255), (5, 51775353), (7, 36982395), (9, 28764085), (15, 17258451), (17, 15228045), (21, 12327465), (29, 8926785), (35, 7396479), (45, 5752817), (51, 5076015), (63, 4109155), (85, 3045609), (87, 2975595), (105, 2465493), (119, 2175435), (145, 1785357), (153, 1692005), (203, 1275255), (255, 1015203), (261, 991865), (315, 821831), (357, 725145), (435, 595119), (493, 525105), (595, 435087), (609, 425085), (765, 338401), (1015, 255051), (1071, 241715), (1305, 198373), (1479, 175035), (1667, 155295), (1785, 145029), (1827, 141695), (2465, 105021), (3045, 85017), (3451, 75015), (4437, 58345), (5001, 51765), (5355, 48343), (7395, 35007), (8335, 31059), (9135, 28339), (10353, 25005), (11669, 22185), (15003, 17255)]