81135864

素因数分解:

$2^3\times 3^3\times {\mathrm{149}}^1\times {\mathrm{2521}}^1$

素因数の和:2685

約数の個数: 64

約数和(自身を含む): 226980000

約数和(自身を除く): 145844136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 149, 216, 298, 447, 596, 894, 1192, 1341, 1788, 2521, 2682, 3576, 4023, 5042, 5364, 7563, 8046, 10084, 10728, 15126, 16092, 20168, 22689, 30252, 32184, 45378, 60504, 68067, 90756, 136134, 181512, 272268, 375629, 544536, 751258, 1126887, 1502516, 2253774, 3005032, 3380661, 4507548, 6761322, 9015096, 10141983, 13522644, 20283966, 27045288, 40567932, 81135864]

約数ペア:

[(1, 81135864), (2, 40567932), (3, 27045288), (4, 20283966), (6, 13522644), (8, 10141983), (9, 9015096), (12, 6761322), (18, 4507548), (24, 3380661), (27, 3005032), (36, 2253774), (54, 1502516), (72, 1126887), (108, 751258), (149, 544536), (216, 375629), (298, 272268), (447, 181512), (596, 136134), (894, 90756), (1192, 68067), (1341, 60504), (1788, 45378), (2521, 32184), (2682, 30252), (3576, 22689), (4023, 20168), (5042, 16092), (5364, 15126), (7563, 10728), (8046, 10084)]