201951855

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{823}}^1$

素因数の和:901

約数の個数: 96

約数和(自身を含む): 431907840

約数和(自身を除く): 229955985

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 41, 45, 57, 63, 95, 105, 123, 133, 171, 205, 285, 287, 315, 369, 399, 615, 665, 779, 823, 855, 861, 1197, 1435, 1845, 1995, 2337, 2469, 2583, 3895, 4115, 4305, 5453, 5761, 5985, 7011, 7407, 11685, 12345, 12915, 15637, 16359, 17283, 27265, 28805, 33743, 35055, 37035, 46911, 49077, 51849, 78185, 81795, 86415, 101229, 109459, 140733, 168715, 234555, 236201, 245385, 259245, 303687, 328377, 506145, 547295, 641117, 703665, 708603, 985131, 1181005, 1518435, 1641885, 1923351, 2125809, 3205585, 3543015, 4487819, 4925655, 5770053, 9616755, 10629045, 13463457, 22439095, 28850265, 40390371, 67317285, 201951855]

約数ペア:

[(1, 201951855), (3, 67317285), (5, 40390371), (7, 28850265), (9, 22439095), (15, 13463457), (19, 10629045), (21, 9616755), (35, 5770053), (41, 4925655), (45, 4487819), (57, 3543015), (63, 3205585), (95, 2125809), (105, 1923351), (123, 1641885), (133, 1518435), (171, 1181005), (205, 985131), (285, 708603), (287, 703665), (315, 641117), (369, 547295), (399, 506145), (615, 328377), (665, 303687), (779, 259245), (823, 245385), (855, 236201), (861, 234555), (1197, 168715), (1435, 140733), (1845, 109459), (1995, 101229), (2337, 86415), (2469, 81795), (2583, 78185), (3895, 51849), (4115, 49077), (4305, 46911), (5453, 37035), (5761, 35055), (5985, 33743), (7011, 28805), (7407, 27265), (11685, 17283), (12345, 16359), (12915, 15637)]