39740475

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 70709760

約数和(自身を除く): 30969285

約数列:

[1, 3, 5, 15, 17, 25, 51, 71, 75, 85, 213, 255, 355, 425, 439, 1065, 1207, 1275, 1317, 1775, 2195, 3621, 5325, 6035, 6585, 7463, 10975, 18105, 22389, 30175, 31169, 32925, 37315, 90525, 93507, 111945, 155845, 186575, 467535, 529873, 559725, 779225, 1589619, 2337675, 2649365, 7948095, 13246825, 39740475]

約数ペア:

[(1, 39740475), (3, 13246825), (5, 7948095), (15, 2649365), (17, 2337675), (25, 1589619), (51, 779225), (71, 559725), (75, 529873), (85, 467535), (213, 186575), (255, 155845), (355, 111945), (425, 93507), (439, 90525), (1065, 37315), (1207, 32925), (1275, 31169), (1317, 30175), (1775, 22389), (2195, 18105), (3621, 10975), (5325, 7463), (6035, 6585)]