13688493

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:91

約数の個数: 72

約数和(自身を含む): 25034400

約数和(自身を除く): 11345907

約数列:

[1, 3, 7, 13, 19, 21, 29, 39, 49, 57, 87, 91, 133, 147, 169, 203, 247, 273, 377, 399, 507, 551, 609, 637, 741, 931, 1131, 1183, 1421, 1653, 1729, 1911, 2639, 2793, 3211, 3549, 3857, 4263, 4901, 5187, 7163, 7917, 8281, 9633, 11571, 12103, 14703, 18473, 21489, 22477, 24843, 26999, 34307, 36309, 50141, 55419, 67431, 80997, 93119, 102921, 150423, 157339, 240149, 279357, 350987, 472017, 651833, 720447, 1052961, 1955499, 4562831, 13688493]

約数ペア:

[(1, 13688493), (3, 4562831), (7, 1955499), (13, 1052961), (19, 720447), (21, 651833), (29, 472017), (39, 350987), (49, 279357), (57, 240149), (87, 157339), (91, 150423), (133, 102921), (147, 93119), (169, 80997), (203, 67431), (247, 55419), (273, 50141), (377, 36309), (399, 34307), (507, 26999), (551, 24843), (609, 22477), (637, 21489), (741, 18473), (931, 14703), (1131, 12103), (1183, 11571), (1421, 9633), (1653, 8281), (1729, 7917), (1911, 7163), (2639, 5187), (2793, 4901), (3211, 4263), (3549, 3857)]