81369666

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{829}}^1$

素因数の和:904

約数の個数: 96

約数和(自身を含む): 217526400

約数和(自身を除く): 136156734

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 41, 42, 57, 63, 82, 114, 123, 126, 133, 171, 246, 266, 287, 342, 369, 399, 574, 738, 779, 798, 829, 861, 1197, 1558, 1658, 1722, 2337, 2394, 2487, 2583, 4674, 4974, 5166, 5453, 5803, 7011, 7461, 10906, 11606, 14022, 14922, 15751, 16359, 17409, 31502, 32718, 33989, 34818, 47253, 49077, 52227, 67978, 94506, 98154, 101967, 104454, 110257, 141759, 203934, 220514, 237923, 283518, 305901, 330771, 475846, 611802, 645791, 661542, 713769, 992313, 1291582, 1427538, 1937373, 1984626, 2141307, 3874746, 4282614, 4520537, 5812119, 9041074, 11624238, 13561611, 27123222, 40684833, 81369666]

約数ペア:

[(1, 81369666), (2, 40684833), (3, 27123222), (6, 13561611), (7, 11624238), (9, 9041074), (14, 5812119), (18, 4520537), (19, 4282614), (21, 3874746), (38, 2141307), (41, 1984626), (42, 1937373), (57, 1427538), (63, 1291582), (82, 992313), (114, 713769), (123, 661542), (126, 645791), (133, 611802), (171, 475846), (246, 330771), (266, 305901), (287, 283518), (342, 237923), (369, 220514), (399, 203934), (574, 141759), (738, 110257), (779, 104454), (798, 101967), (829, 98154), (861, 94506), (1197, 67978), (1558, 52227), (1658, 49077), (1722, 47253), (2337, 34818), (2394, 33989), (2487, 32718), (2583, 31502), (4674, 17409), (4974, 16359), (5166, 15751), (5453, 14922), (5803, 14022), (7011, 11606), (7461, 10906)]