520647525

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1723}}^1$

素因数の和:1835

約数の個数: 72

約数和(自身を含む): 1000471680

約数和(自身を除く): 479824155

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 79, 85, 153, 225, 237, 255, 395, 425, 711, 765, 1185, 1275, 1343, 1723, 1975, 3555, 3825, 4029, 5169, 5925, 6715, 8615, 12087, 15507, 17775, 20145, 25845, 29291, 33575, 43075, 60435, 77535, 87873, 100725, 129225, 136117, 146455, 263619, 302175, 387675, 408351, 439365, 680585, 732275, 1225053, 1318095, 2041755, 2196825, 2313989, 3402925, 6125265, 6590475, 6941967, 10208775, 11569945, 20825901, 30626325, 34709835, 57849725, 104129505, 173549175, 520647525]

約数ペア:

[(1, 520647525), (3, 173549175), (5, 104129505), (9, 57849725), (15, 34709835), (17, 30626325), (25, 20825901), (45, 11569945), (51, 10208775), (75, 6941967), (79, 6590475), (85, 6125265), (153, 3402925), (225, 2313989), (237, 2196825), (255, 2041755), (395, 1318095), (425, 1225053), (711, 732275), (765, 680585), (1185, 439365), (1275, 408351), (1343, 387675), (1723, 302175), (1975, 263619), (3555, 146455), (3825, 136117), (4029, 129225), (5169, 100725), (5925, 87873), (6715, 77535), (8615, 60435), (12087, 43075), (15507, 33575), (17775, 29291), (20145, 25845)]