15309231

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:144

約数の個数: 64

約数和(自身を含む): 27141120

約数和(自身を除く): 11831889

約数列:

[1, 3, 7, 17, 19, 21, 37, 51, 57, 61, 111, 119, 133, 183, 259, 323, 357, 399, 427, 629, 703, 777, 969, 1037, 1159, 1281, 1887, 2109, 2257, 2261, 3111, 3477, 4403, 4921, 6771, 6783, 7259, 8113, 11951, 13209, 14763, 15799, 19703, 21777, 24339, 35853, 38369, 42883, 47397, 59109, 83657, 115107, 128649, 137921, 250971, 268583, 300181, 413763, 729011, 805749, 900543, 2187033, 5103077, 15309231]

約数ペア:

[(1, 15309231), (3, 5103077), (7, 2187033), (17, 900543), (19, 805749), (21, 729011), (37, 413763), (51, 300181), (57, 268583), (61, 250971), (111, 137921), (119, 128649), (133, 115107), (183, 83657), (259, 59109), (323, 47397), (357, 42883), (399, 38369), (427, 35853), (629, 24339), (703, 21777), (777, 19703), (969, 15799), (1037, 14763), (1159, 13209), (1281, 11951), (1887, 8113), (2109, 7259), (2257, 6783), (2261, 6771), (3111, 4921), (3477, 4403)]