211671708525

素因数分解:

$3^2\times 5^2\times {\mathrm{257}}^1\times {\mathrm{839}}^1\times {\mathrm{4363}}^1$

素因数の和:5475

約数の個数: 72

約数和(自身を含む): 381143730240

約数和(自身を除く): 169472021715

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 257, 771, 839, 1285, 2313, 2517, 3855, 4195, 4363, 6425, 7551, 11565, 12585, 13089, 19275, 20975, 21815, 37755, 39267, 57825, 62925, 65445, 109075, 188775, 196335, 215623, 327225, 646869, 981675, 1078115, 1121291, 1940607, 3234345, 3363873, 3660557, 5390575, 5606455, 9703035, 10091619, 10981671, 16171725, 16819365, 18302785, 28032275, 32945013, 48515175, 50458095, 54908355, 84096825, 91513925, 164725065, 252290475, 274541775, 823625325, 940763149, 2822289447, 4703815745, 8466868341, 14111447235, 23519078725, 42334341705, 70557236175, 211671708525]

約数ペア:

[(1, 211671708525), (3, 70557236175), (5, 42334341705), (9, 23519078725), (15, 14111447235), (25, 8466868341), (45, 4703815745), (75, 2822289447), (225, 940763149), (257, 823625325), (771, 274541775), (839, 252290475), (1285, 164725065), (2313, 91513925), (2517, 84096825), (3855, 54908355), (4195, 50458095), (4363, 48515175), (6425, 32945013), (7551, 28032275), (11565, 18302785), (12585, 16819365), (13089, 16171725), (19275, 10981671), (20975, 10091619), (21815, 9703035), (37755, 5606455), (39267, 5390575), (57825, 3660557), (62925, 3363873), (65445, 3234345), (109075, 1940607), (188775, 1121291), (196335, 1078115), (215623, 981675), (327225, 646869)]