81084906

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{149}}^1\times {\mathrm{617}}^1$

素因数の和:788

約数の個数: 72

約数和(自身を含む): 206072100

約数和(自身を除く): 124987194

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 149, 294, 298, 441, 447, 617, 882, 894, 1043, 1234, 1341, 1851, 2086, 2682, 3129, 3702, 4319, 5553, 6258, 7301, 8638, 9387, 11106, 12957, 14602, 18774, 21903, 25914, 30233, 38871, 43806, 60466, 65709, 77742, 90699, 91933, 131418, 181398, 183866, 272097, 275799, 544194, 551598, 643531, 827397, 1287062, 1654794, 1930593, 3861186, 4504717, 5791779, 9009434, 11583558, 13514151, 27028302, 40542453, 81084906]

約数ペア:

[(1, 81084906), (2, 40542453), (3, 27028302), (6, 13514151), (7, 11583558), (9, 9009434), (14, 5791779), (18, 4504717), (21, 3861186), (42, 1930593), (49, 1654794), (63, 1287062), (98, 827397), (126, 643531), (147, 551598), (149, 544194), (294, 275799), (298, 272097), (441, 183866), (447, 181398), (617, 131418), (882, 91933), (894, 90699), (1043, 77742), (1234, 65709), (1341, 60466), (1851, 43806), (2086, 38871), (2682, 30233), (3129, 25914), (3702, 21903), (4319, 18774), (5553, 14602), (6258, 12957), (7301, 11106), (8638, 9387)]