15998409

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 28164864

約数和(自身を除く): 12166455

約数列:

[1, 3, 7, 9, 21, 23, 61, 63, 69, 161, 181, 183, 207, 427, 483, 543, 549, 1267, 1281, 1403, 1449, 1629, 3801, 3843, 4163, 4209, 9821, 11041, 11403, 12489, 12627, 29141, 29463, 33123, 37467, 77287, 87423, 88389, 99369, 231861, 253943, 262269, 695583, 761829, 1777601, 2285487, 5332803, 15998409]

約数ペア:

[(1, 15998409), (3, 5332803), (7, 2285487), (9, 1777601), (21, 761829), (23, 695583), (61, 262269), (63, 253943), (69, 231861), (161, 99369), (181, 88389), (183, 87423), (207, 77287), (427, 37467), (483, 33123), (543, 29463), (549, 29141), (1267, 12627), (1281, 12489), (1403, 11403), (1449, 11041), (1629, 9821), (3801, 4209), (3843, 4163)]