200987955

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{91151}}^1$

素因数の和:91176

約数の個数: 36

約数和(自身を含む): 405261792

約数和(自身を除く): 204273837

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 91151, 273453, 455755, 638057, 820359, 1367265, 1914171, 3190285, 4101795, 4466399, 5742513, 9570855, 13399197, 22331995, 28712565, 40197591, 66995985, 200987955]

約数ペア:

[(1, 200987955), (3, 66995985), (5, 40197591), (7, 28712565), (9, 22331995), (15, 13399197), (21, 9570855), (35, 5742513), (45, 4466399), (49, 4101795), (63, 3190285), (105, 1914171), (147, 1367265), (245, 820359), (315, 638057), (441, 455755), (735, 273453), (2205, 91151)]