12930255

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2$

素因数の和:109

約数の個数: 72

約数和(自身を含む): 26024544

約数和(自身を除く): 13094289

約数列:

[1, 3, 5, 9, 13, 15, 23, 31, 39, 45, 65, 69, 93, 115, 117, 155, 195, 207, 279, 299, 345, 403, 465, 585, 713, 897, 961, 1035, 1209, 1395, 1495, 2015, 2139, 2691, 2883, 3565, 3627, 4485, 4805, 6045, 6417, 8649, 9269, 10695, 12493, 13455, 14415, 18135, 22103, 27807, 32085, 37479, 43245, 46345, 62465, 66309, 83421, 110515, 112437, 139035, 187395, 198927, 287339, 331545, 417105, 562185, 862017, 994635, 1436695, 2586051, 4310085, 12930255]

約数ペア:

[(1, 12930255), (3, 4310085), (5, 2586051), (9, 1436695), (13, 994635), (15, 862017), (23, 562185), (31, 417105), (39, 331545), (45, 287339), (65, 198927), (69, 187395), (93, 139035), (115, 112437), (117, 110515), (155, 83421), (195, 66309), (207, 62465), (279, 46345), (299, 43245), (345, 37479), (403, 32085), (465, 27807), (585, 22103), (713, 18135), (897, 14415), (961, 13455), (1035, 12493), (1209, 10695), (1395, 9269), (1495, 8649), (2015, 6417), (2139, 6045), (2691, 4805), (2883, 4485), (3565, 3627)]