20131640739

素因数分解:

$3^2\times 7^2\times {\mathrm{241}}^1\times {\mathrm{307}}^1\times {\mathrm{617}}^1$

素因数の和:1185

約数の個数: 72

約数和(自身を含む): 34132866768

約数和(自身を除く): 14001226029

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 241, 307, 441, 617, 723, 921, 1687, 1851, 2149, 2169, 2763, 4319, 5061, 5553, 6447, 11809, 12957, 15043, 15183, 19341, 30233, 35427, 38871, 45129, 73987, 90699, 106281, 135387, 148697, 189419, 221961, 272097, 446091, 517909, 568257, 665883, 1040879, 1325933, 1338273, 1553727, 1704771, 3122637, 3625363, 3977799, 4661181, 7286153, 9281531, 9367911, 10876089, 11933397, 21858459, 27844593, 32628267, 45649979, 65575377, 83533779, 136949937, 319549853, 410849811, 958649559, 2236848971, 2875948677, 6710546913, 20131640739]

約数ペア:

[(1, 20131640739), (3, 6710546913), (7, 2875948677), (9, 2236848971), (21, 958649559), (49, 410849811), (63, 319549853), (147, 136949937), (241, 83533779), (307, 65575377), (441, 45649979), (617, 32628267), (723, 27844593), (921, 21858459), (1687, 11933397), (1851, 10876089), (2149, 9367911), (2169, 9281531), (2763, 7286153), (4319, 4661181), (5061, 3977799), (5553, 3625363), (6447, 3122637), (11809, 1704771), (12957, 1553727), (15043, 1338273), (15183, 1325933), (19341, 1040879), (30233, 665883), (35427, 568257), (38871, 517909), (45129, 446091), (73987, 272097), (90699, 221961), (106281, 189419), (135387, 148697)]