1261251441

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{1249}}^1$

素因数の和:1410

約数の個数: 48

約数和(自身を含む): 1948050000

約数和(自身を除く): 686798559

約数列:

[1, 3, 9, 29, 53, 73, 87, 159, 219, 261, 477, 657, 1249, 1537, 2117, 3747, 3869, 4611, 6351, 11241, 11607, 13833, 19053, 34821, 36221, 66197, 91177, 108663, 112201, 198591, 273531, 325989, 336603, 595773, 820593, 1009809, 1919713, 2644133, 4832381, 5759139, 7932399, 14497143, 17277417, 23797197, 43491429, 140139049, 420417147, 1261251441]

約数ペア:

[(1, 1261251441), (3, 420417147), (9, 140139049), (29, 43491429), (53, 23797197), (73, 17277417), (87, 14497143), (159, 7932399), (219, 5759139), (261, 4832381), (477, 2644133), (657, 1919713), (1249, 1009809), (1537, 820593), (2117, 595773), (3747, 336603), (3869, 325989), (4611, 273531), (6351, 198591), (11241, 112201), (11607, 108663), (13833, 91177), (19053, 66197), (34821, 36221)]