2428725

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:126

約数の個数: 48

約数和(自身を含む): 4499712

約数和(自身を除く): 2070987

約数列:

[1, 3, 5, 13, 15, 25, 39, 47, 53, 65, 75, 141, 159, 195, 235, 265, 325, 611, 689, 705, 795, 975, 1175, 1325, 1833, 2067, 2491, 3055, 3445, 3525, 3975, 7473, 9165, 10335, 12455, 15275, 17225, 32383, 37365, 45825, 51675, 62275, 97149, 161915, 186825, 485745, 809575, 2428725]

約数ペア:

[(1, 2428725), (3, 809575), (5, 485745), (13, 186825), (15, 161915), (25, 97149), (39, 62275), (47, 51675), (53, 45825), (65, 37365), (75, 32383), (141, 17225), (159, 15275), (195, 12455), (235, 10335), (265, 9165), (325, 7473), (611, 3975), (689, 3525), (705, 3445), (795, 3055), (975, 2491), (1175, 2067), (1325, 1833)]