211695795

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2351}}^1$

素因数の和:2417

約数の個数: 64

約数和(自身を含む): 406425600

約数和(自身を除く): 194729805

約数列:

[1, 3, 5, 9, 15, 23, 27, 29, 45, 69, 87, 115, 135, 145, 207, 261, 345, 435, 621, 667, 783, 1035, 1305, 2001, 2351, 3105, 3335, 3915, 6003, 7053, 10005, 11755, 18009, 21159, 30015, 35265, 54073, 63477, 68179, 90045, 105795, 162219, 204537, 270365, 317385, 340895, 486657, 613611, 811095, 1022685, 1459971, 1568117, 1840833, 2433285, 3068055, 4704351, 7299855, 7840585, 9204165, 14113053, 23521755, 42339159, 70565265, 211695795]

約数ペア:

[(1, 211695795), (3, 70565265), (5, 42339159), (9, 23521755), (15, 14113053), (23, 9204165), (27, 7840585), (29, 7299855), (45, 4704351), (69, 3068055), (87, 2433285), (115, 1840833), (135, 1568117), (145, 1459971), (207, 1022685), (261, 811095), (345, 613611), (435, 486657), (621, 340895), (667, 317385), (783, 270365), (1035, 204537), (1305, 162219), (2001, 105795), (2351, 90045), (3105, 68179), (3335, 63477), (3915, 54073), (6003, 35265), (7053, 30015), (10005, 21159), (11755, 18009)]