81408915

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{311}}^1$

素因数の和:609

約数の個数: 64

約数和(自身を含む): 166533120

約数和(自身を除く): 85124205

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 277, 311, 315, 831, 933, 945, 1385, 1555, 1939, 2177, 2493, 2799, 4155, 4665, 5817, 6531, 7479, 8397, 9695, 10885, 12465, 13995, 17451, 19593, 29085, 32655, 37395, 41985, 52353, 58779, 86147, 87255, 97965, 258441, 261765, 293895, 430735, 603029, 775323, 1292205, 1809087, 2325969, 3015145, 3876615, 5427261, 9045435, 11629845, 16281783, 27136305, 81408915]

約数ペア:

[(1, 81408915), (3, 27136305), (5, 16281783), (7, 11629845), (9, 9045435), (15, 5427261), (21, 3876615), (27, 3015145), (35, 2325969), (45, 1809087), (63, 1292205), (105, 775323), (135, 603029), (189, 430735), (277, 293895), (311, 261765), (315, 258441), (831, 97965), (933, 87255), (945, 86147), (1385, 58779), (1555, 52353), (1939, 41985), (2177, 37395), (2493, 32655), (2799, 29085), (4155, 19593), (4665, 17451), (5817, 13995), (6531, 12465), (7479, 10885), (8397, 9695)]