207763917

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:210

約数の個数: 64

約数和(自身を含む): 321024000

約数和(自身を除く): 113260083

約数列:

[1, 3, 19, 29, 37, 43, 57, 79, 87, 111, 129, 237, 551, 703, 817, 1073, 1247, 1501, 1591, 1653, 2109, 2291, 2451, 2923, 3219, 3397, 3741, 4503, 4773, 6873, 8769, 10191, 20387, 23693, 30229, 43529, 46139, 55537, 61161, 64543, 71079, 84767, 90687, 98513, 125689, 130587, 138417, 166611, 193629, 254301, 295539, 377067, 876641, 1610573, 1871747, 2388091, 2629923, 3644981, 4831719, 5615241, 7164273, 10934943, 69254639, 207763917]

約数ペア:

[(1, 207763917), (3, 69254639), (19, 10934943), (29, 7164273), (37, 5615241), (43, 4831719), (57, 3644981), (79, 2629923), (87, 2388091), (111, 1871747), (129, 1610573), (237, 876641), (551, 377067), (703, 295539), (817, 254301), (1073, 193629), (1247, 166611), (1501, 138417), (1591, 130587), (1653, 125689), (2109, 98513), (2291, 90687), (2451, 84767), (2923, 71079), (3219, 64543), (3397, 61161), (3741, 55537), (4503, 46139), (4773, 43529), (6873, 30229), (8769, 23693), (10191, 20387)]