81513216

素因数分解:

$2^8\times 3^4\times {\mathrm{3931}}^1$

素因数の和:3959

約数の個数: 90

約数和(自身を含む): 243119492

約数和(自身を除く): 161606276

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 256, 288, 324, 384, 432, 576, 648, 768, 864, 1152, 1296, 1728, 2304, 2592, 3456, 3931, 5184, 6912, 7862, 10368, 11793, 15724, 20736, 23586, 31448, 35379, 47172, 62896, 70758, 94344, 106137, 125792, 141516, 188688, 212274, 251584, 283032, 318411, 377376, 424548, 503168, 566064, 636822, 754752, 849096, 1006336, 1132128, 1273644, 1509504, 1698192, 2264256, 2547288, 3019008, 3396384, 4528512, 5094576, 6792768, 9057024, 10189152, 13585536, 20378304, 27171072, 40756608, 81513216]

約数ペア:

[(1, 81513216), (2, 40756608), (3, 27171072), (4, 20378304), (6, 13585536), (8, 10189152), (9, 9057024), (12, 6792768), (16, 5094576), (18, 4528512), (24, 3396384), (27, 3019008), (32, 2547288), (36, 2264256), (48, 1698192), (54, 1509504), (64, 1273644), (72, 1132128), (81, 1006336), (96, 849096), (108, 754752), (128, 636822), (144, 566064), (162, 503168), (192, 424548), (216, 377376), (256, 318411), (288, 283032), (324, 251584), (384, 212274), (432, 188688), (576, 141516), (648, 125792), (768, 106137), (864, 94344), (1152, 70758), (1296, 62896), (1728, 47172), (2304, 35379), (2592, 31448), (3456, 23586), (3931, 20736), (5184, 15724), (6912, 11793), (7862, 10368)]