245494875

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{397}}^1$

素因数の和:529

約数の個数: 64

約数和(自身を含む): 438092928

約数和(自身を除く): 192598053

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 97, 125, 255, 291, 375, 397, 425, 485, 1191, 1275, 1455, 1649, 1985, 2125, 2425, 4947, 5955, 6375, 6749, 7275, 8245, 9925, 12125, 20247, 24735, 29775, 33745, 36375, 38509, 41225, 49625, 101235, 115527, 123675, 148875, 168725, 192545, 206125, 506175, 577635, 618375, 654653, 843625, 962725, 1963959, 2530875, 2888175, 3273265, 4813625, 9819795, 14440875, 16366325, 49098975, 81831625, 245494875]

約数ペア:

[(1, 245494875), (3, 81831625), (5, 49098975), (15, 16366325), (17, 14440875), (25, 9819795), (51, 4813625), (75, 3273265), (85, 2888175), (97, 2530875), (125, 1963959), (255, 962725), (291, 843625), (375, 654653), (397, 618375), (425, 577635), (485, 506175), (1191, 206125), (1275, 192545), (1455, 168725), (1649, 148875), (1985, 123675), (2125, 115527), (2425, 101235), (4947, 49625), (5955, 41225), (6375, 38509), (6749, 36375), (7275, 33745), (8245, 29775), (9925, 24735), (12125, 20247)]