65821197

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:453

約数の個数: 32

約数和(自身を含む): 97574400

約数和(自身を除く): 31753203

約数列:

[1, 3, 13, 39, 47, 141, 149, 241, 447, 611, 723, 1833, 1937, 3133, 5811, 7003, 9399, 11327, 21009, 33981, 35909, 91039, 107727, 147251, 273117, 441753, 466817, 1400451, 1687723, 5063169, 21940399, 65821197]

約数ペア:

[(1, 65821197), (3, 21940399), (13, 5063169), (39, 1687723), (47, 1400451), (141, 466817), (149, 441753), (241, 273117), (447, 147251), (611, 107727), (723, 91039), (1833, 35909), (1937, 33981), (3133, 21009), (5811, 11327), (7003, 9399)]