31904325

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1$

素因数の和:491

約数の個数: 72

約数和(自身を含む): 63835200

約数和(自身を除く): 31930875

約数列:

[1, 3, 5, 9, 15, 17, 19, 25, 45, 51, 57, 75, 85, 95, 153, 171, 225, 255, 285, 323, 425, 439, 475, 765, 855, 969, 1275, 1317, 1425, 1615, 2195, 2907, 3825, 3951, 4275, 4845, 6585, 7463, 8075, 8341, 10975, 14535, 19755, 22389, 24225, 25023, 32925, 37315, 41705, 67167, 72675, 75069, 98775, 111945, 125115, 141797, 186575, 208525, 335835, 375345, 425391, 559725, 625575, 708985, 1276173, 1679175, 1876725, 2126955, 3544925, 6380865, 10634775, 31904325]

約数ペア:

[(1, 31904325), (3, 10634775), (5, 6380865), (9, 3544925), (15, 2126955), (17, 1876725), (19, 1679175), (25, 1276173), (45, 708985), (51, 625575), (57, 559725), (75, 425391), (85, 375345), (95, 335835), (153, 208525), (171, 186575), (225, 141797), (255, 125115), (285, 111945), (323, 98775), (425, 75069), (439, 72675), (475, 67167), (765, 41705), (855, 37315), (969, 32925), (1275, 25023), (1317, 24225), (1425, 22389), (1615, 19755), (2195, 14535), (2907, 10975), (3825, 8341), (3951, 8075), (4275, 7463), (4845, 6585)]