639311715

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2887}}^1$

素因数の和:2961

約数の個数: 96

約数和(自身を含む): 1369605120

約数和(自身を除く): 730293405

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 37, 45, 57, 63, 95, 105, 111, 133, 171, 185, 259, 285, 315, 333, 399, 555, 665, 703, 777, 855, 1197, 1295, 1665, 1995, 2109, 2331, 2887, 3515, 3885, 4921, 5985, 6327, 8661, 10545, 11655, 14435, 14763, 20209, 24605, 25983, 31635, 43305, 44289, 54853, 60627, 73815, 101045, 106819, 129915, 164559, 181881, 221445, 274265, 303135, 320457, 383971, 493677, 534095, 747733, 822795, 909405, 961371, 1151913, 1602285, 1919855, 2029561, 2243199, 2468385, 3455739, 3738665, 4806855, 5759565, 6088683, 6729597, 10147805, 11215995, 14206927, 17278695, 18266049, 30443415, 33647985, 42620781, 71034635, 91330245, 127862343, 213103905, 639311715]

約数ペア:

[(1, 639311715), (3, 213103905), (5, 127862343), (7, 91330245), (9, 71034635), (15, 42620781), (19, 33647985), (21, 30443415), (35, 18266049), (37, 17278695), (45, 14206927), (57, 11215995), (63, 10147805), (95, 6729597), (105, 6088683), (111, 5759565), (133, 4806855), (171, 3738665), (185, 3455739), (259, 2468385), (285, 2243199), (315, 2029561), (333, 1919855), (399, 1602285), (555, 1151913), (665, 961371), (703, 909405), (777, 822795), (855, 747733), (1197, 534095), (1295, 493677), (1665, 383971), (1995, 320457), (2109, 303135), (2331, 274265), (2887, 221445), (3515, 181881), (3885, 164559), (4921, 129915), (5985, 106819), (6327, 101045), (8661, 73815), (10545, 60627), (11655, 54853), (14435, 44289), (14763, 43305), (20209, 31635), (24605, 25983)]