207621759

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:244

約数の個数: 64

約数和(自身を含む): 324403200

約数和(自身を除く): 116781441

約数列:

[1, 3, 19, 23, 29, 43, 57, 69, 87, 127, 129, 381, 437, 551, 667, 817, 989, 1247, 1311, 1653, 2001, 2413, 2451, 2921, 2967, 3683, 3741, 5461, 7239, 8763, 11049, 12673, 16383, 18791, 23693, 28681, 38019, 55499, 56373, 69977, 71079, 84709, 86043, 103759, 125603, 158369, 166497, 209931, 254127, 311277, 376809, 475107, 544939, 1609471, 1634817, 2386457, 3009011, 3642487, 4828413, 7159371, 9027033, 10927461, 69207253, 207621759]

約数ペア:

[(1, 207621759), (3, 69207253), (19, 10927461), (23, 9027033), (29, 7159371), (43, 4828413), (57, 3642487), (69, 3009011), (87, 2386457), (127, 1634817), (129, 1609471), (381, 544939), (437, 475107), (551, 376809), (667, 311277), (817, 254127), (989, 209931), (1247, 166497), (1311, 158369), (1653, 125603), (2001, 103759), (2413, 86043), (2451, 84709), (2921, 71079), (2967, 69977), (3683, 56373), (3741, 55499), (5461, 38019), (7239, 28681), (8763, 23693), (11049, 18791), (12673, 16383)]