75740025

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{359}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 131241600

約数和(自身を除く): 55501575

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 97, 145, 291, 359, 435, 485, 725, 1077, 1455, 1795, 2175, 2425, 2813, 5385, 7275, 8439, 8975, 10411, 14065, 26925, 31233, 34823, 42195, 52055, 70325, 104469, 156165, 174115, 210975, 260275, 522345, 780825, 870575, 1009867, 2611725, 3029601, 5049335, 15148005, 25246675, 75740025]

約数ペア:

[(1, 75740025), (3, 25246675), (5, 15148005), (15, 5049335), (25, 3029601), (29, 2611725), (75, 1009867), (87, 870575), (97, 780825), (145, 522345), (291, 260275), (359, 210975), (435, 174115), (485, 156165), (725, 104469), (1077, 70325), (1455, 52055), (1795, 42195), (2175, 34823), (2425, 31233), (2813, 26925), (5385, 14065), (7275, 10411), (8439, 8975)]