205121865

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{22381}}^1$

素因数の和:22449

約数の個数: 32

約数和(自身を含む): 360976896

約数和(自身を除く): 155855031

約数列:

[1, 3, 5, 13, 15, 39, 47, 65, 141, 195, 235, 611, 705, 1833, 3055, 9165, 22381, 67143, 111905, 290953, 335715, 872859, 1051907, 1454765, 3155721, 4364295, 5259535, 13674791, 15778605, 41024373, 68373955, 205121865]

約数ペア:

[(1, 205121865), (3, 68373955), (5, 41024373), (13, 15778605), (15, 13674791), (39, 5259535), (47, 4364295), (65, 3155721), (141, 1454765), (195, 1051907), (235, 872859), (611, 335715), (705, 290953), (1833, 111905), (3055, 67143), (9165, 22381)]