201390975

素因数分解:

$3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{383}}^1$

素因数の和:462

約数の個数: 96

約数和(自身を含む): 399974400

約数和(自身を除く): 198583425

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 41, 45, 57, 75, 95, 123, 135, 171, 205, 225, 285, 369, 383, 475, 513, 615, 675, 779, 855, 1025, 1107, 1149, 1425, 1845, 1915, 2337, 2565, 3075, 3447, 3895, 4275, 5535, 5745, 7011, 7277, 9225, 9575, 10341, 11685, 12825, 15703, 17235, 19475, 21033, 21831, 27675, 28725, 35055, 36385, 47109, 51705, 58425, 65493, 78515, 86175, 105165, 109155, 141327, 175275, 181925, 196479, 235545, 258525, 298357, 327465, 392575, 423981, 525825, 545775, 706635, 895071, 982395, 1177725, 1491785, 1637325, 2119905, 2685213, 3533175, 4475355, 4911975, 7458925, 8055639, 10599525, 13426065, 22376775, 40278195, 67130325, 201390975]

約数ペア:

[(1, 201390975), (3, 67130325), (5, 40278195), (9, 22376775), (15, 13426065), (19, 10599525), (25, 8055639), (27, 7458925), (41, 4911975), (45, 4475355), (57, 3533175), (75, 2685213), (95, 2119905), (123, 1637325), (135, 1491785), (171, 1177725), (205, 982395), (225, 895071), (285, 706635), (369, 545775), (383, 525825), (475, 423981), (513, 392575), (615, 327465), (675, 298357), (779, 258525), (855, 235545), (1025, 196479), (1107, 181925), (1149, 175275), (1425, 141327), (1845, 109155), (1915, 105165), (2337, 86175), (2565, 78515), (3075, 65493), (3447, 58425), (3895, 51705), (4275, 47109), (5535, 36385), (5745, 35055), (7011, 28725), (7277, 27675), (9225, 21831), (9575, 21033), (10341, 19475), (11685, 17235), (12825, 15703)]