81332097

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 145152000

約数和(自身を除く): 63819903

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 139, 149, 187, 231, 357, 417, 447, 561, 973, 1043, 1309, 1529, 1639, 2363, 2533, 2919, 3129, 3927, 4587, 4917, 7089, 7599, 10703, 11473, 16541, 17731, 20711, 25993, 27863, 32109, 34419, 49623, 53193, 62133, 77979, 83589, 144977, 181951, 195041, 227821, 352087, 434931, 545853, 585123, 683463, 1056261, 1594747, 2464609, 3872957, 4784241, 7393827, 11618871, 27110699, 81332097]

約数ペア:

[(1, 81332097), (3, 27110699), (7, 11618871), (11, 7393827), (17, 4784241), (21, 3872957), (33, 2464609), (51, 1594747), (77, 1056261), (119, 683463), (139, 585123), (149, 545853), (187, 434931), (231, 352087), (357, 227821), (417, 195041), (447, 181951), (561, 144977), (973, 83589), (1043, 77979), (1309, 62133), (1529, 53193), (1639, 49623), (2363, 34419), (2533, 32109), (2919, 27863), (3129, 25993), (3927, 20711), (4587, 17731), (4917, 16541), (7089, 11473), (7599, 10703)]