201555945

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^2$

素因数の和:308

約数の個数: 60

約数和(自身を含む): 376641540

約数和(自身を除く): 175085595

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 131, 135, 145, 261, 393, 405, 435, 655, 783, 1179, 1305, 1965, 2349, 3537, 3799, 3915, 5895, 10611, 11397, 11745, 17161, 17685, 18995, 34191, 51483, 53055, 56985, 85805, 102573, 154449, 170955, 257415, 307719, 463347, 497669, 512865, 772245, 1390041, 1493007, 1538595, 2316735, 2488345, 4479021, 6950205, 7465035, 13437063, 22395105, 40311189, 67185315, 201555945]

約数ペア:

[(1, 201555945), (3, 67185315), (5, 40311189), (9, 22395105), (15, 13437063), (27, 7465035), (29, 6950205), (45, 4479021), (81, 2488345), (87, 2316735), (131, 1538595), (135, 1493007), (145, 1390041), (261, 772245), (393, 512865), (405, 497669), (435, 463347), (655, 307719), (783, 257415), (1179, 170955), (1305, 154449), (1965, 102573), (2349, 85805), (3537, 56985), (3799, 53055), (3915, 51483), (5895, 34191), (10611, 18995), (11397, 17685), (11745, 17161)]