25895385

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{977}}^1$

素因数の和:1038

約数の個数: 48

約数和(自身を含む): 48821760

約数和(自身を除く): 22926375

約数列:

[1, 3, 5, 9, 15, 19, 31, 45, 57, 93, 95, 155, 171, 279, 285, 465, 589, 855, 977, 1395, 1767, 2931, 2945, 4885, 5301, 8793, 8835, 14655, 18563, 26505, 30287, 43965, 55689, 90861, 92815, 151435, 167067, 272583, 278445, 454305, 575453, 835335, 1362915, 1726359, 2877265, 5179077, 8631795, 25895385]

約数ペア:

[(1, 25895385), (3, 8631795), (5, 5179077), (9, 2877265), (15, 1726359), (19, 1362915), (31, 835335), (45, 575453), (57, 454305), (93, 278445), (95, 272583), (155, 167067), (171, 151435), (279, 92815), (285, 90861), (465, 55689), (589, 43965), (855, 30287), (977, 26505), (1395, 18563), (1767, 14655), (2931, 8835), (2945, 8793), (4885, 5301)]