81310194

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:296

約数の個数: 96

約数和(自身を含む): 208915200

約数和(自身を除く): 127605006

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 61, 63, 71, 122, 126, 142, 149, 183, 213, 298, 366, 426, 427, 447, 497, 549, 639, 854, 894, 994, 1043, 1098, 1278, 1281, 1341, 1491, 2086, 2562, 2682, 2982, 3129, 3843, 4331, 4473, 6258, 7686, 8662, 8946, 9089, 9387, 10579, 12993, 18178, 18774, 21158, 25986, 27267, 30317, 31737, 38979, 54534, 60634, 63474, 63623, 74053, 77958, 81801, 90951, 95211, 127246, 148106, 163602, 181902, 190422, 190869, 222159, 272853, 381738, 444318, 545706, 572607, 645319, 666477, 1145214, 1290638, 1332954, 1935957, 3871914, 4517233, 5807871, 9034466, 11615742, 13551699, 27103398, 40655097, 81310194]

約数ペア:

[(1, 81310194), (2, 40655097), (3, 27103398), (6, 13551699), (7, 11615742), (9, 9034466), (14, 5807871), (18, 4517233), (21, 3871914), (42, 1935957), (61, 1332954), (63, 1290638), (71, 1145214), (122, 666477), (126, 645319), (142, 572607), (149, 545706), (183, 444318), (213, 381738), (298, 272853), (366, 222159), (426, 190869), (427, 190422), (447, 181902), (497, 163602), (549, 148106), (639, 127246), (854, 95211), (894, 90951), (994, 81801), (1043, 77958), (1098, 74053), (1278, 63623), (1281, 63474), (1341, 60634), (1491, 54534), (2086, 38979), (2562, 31737), (2682, 30317), (2982, 27267), (3129, 25986), (3843, 21158), (4331, 18774), (4473, 18178), (6258, 12993), (7686, 10579), (8662, 9387), (8946, 9089)]