81347328

素因数分解:

$2^8\times 3^4\times {\mathrm{3923}}^1$

素因数の和:3951

約数の個数: 90

約数和(自身を含む): 242624844

約数和(自身を除く): 161277516

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, 3923, 5184, 6912, 7846, 10368, 11769, 15692, 20736, 23538, 31384, 35307, 47076, 62768, 70614, 94152, 105921, 125536, 141228, 188304, 211842, 251072, 282456, 317763, 376608, 423684, 502144, 564912, 635526, 753216, 847368, 1004288, 1129824, 1271052, 1506432, 1694736, 2259648, 2542104, 3012864, 3389472, 4519296, 5084208, 6778944, 9038592, 10168416, 13557888, 20336832, 27115776, 40673664, 81347328]

約数ペア:

[(1, 81347328), (2, 40673664), (3, 27115776), (4, 20336832), (6, 13557888), (8, 10168416), (9, 9038592), (12, 6778944), (16, 5084208), (18, 4519296), (24, 3389472), (27, 3012864), (32, 2542104), (36, 2259648), (48, 1694736), (54, 1506432), (64, 1271052), (72, 1129824), (81, 1004288), (96, 847368), (108, 753216), (128, 635526), (144, 564912), (162, 502144), (192, 423684), (216, 376608), (256, 317763), (288, 282456), (324, 251072), (384, 211842), (432, 188304), (576, 141228), (648, 125536), (768, 105921), (864, 94152), (1152, 70614), (1296, 62768), (1728, 47076), (2304, 35307), (2592, 31384), (3456, 23538), (3923, 20736), (5184, 15692), (6912, 11769), (7846, 10368)]