51154275

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{757}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 91360224

約数和(自身を除く): 40205949

約数列:

[1, 3, 5, 15, 17, 25, 51, 53, 75, 85, 159, 255, 265, 425, 757, 795, 901, 1275, 1325, 2271, 2703, 3785, 3975, 4505, 11355, 12869, 13515, 18925, 22525, 38607, 40121, 56775, 64345, 67575, 120363, 193035, 200605, 321725, 601815, 682057, 965175, 1003025, 2046171, 3009075, 3410285, 10230855, 17051425, 51154275]

約数ペア:

[(1, 51154275), (3, 17051425), (5, 10230855), (15, 3410285), (17, 3009075), (25, 2046171), (51, 1003025), (53, 965175), (75, 682057), (85, 601815), (159, 321725), (255, 200605), (265, 193035), (425, 120363), (757, 67575), (795, 64345), (901, 56775), (1275, 40121), (1325, 38607), (2271, 22525), (2703, 18925), (3785, 13515), (3975, 12869), (4505, 11355)]