77812125

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 139176960

約数和(自身を除く): 61364835

約数列:

[1, 3, 5, 15, 19, 25, 57, 67, 75, 95, 125, 163, 201, 285, 335, 375, 475, 489, 815, 1005, 1273, 1425, 1675, 2375, 2445, 3097, 3819, 4075, 5025, 6365, 7125, 8375, 9291, 10921, 12225, 15485, 19095, 20375, 25125, 31825, 32763, 46455, 54605, 61125, 77425, 95475, 159125, 163815, 207499, 232275, 273025, 387125, 477375, 622497, 819075, 1037495, 1161375, 1365125, 3112485, 4095375, 5187475, 15562425, 25937375, 77812125]

約数ペア:

[(1, 77812125), (3, 25937375), (5, 15562425), (15, 5187475), (19, 4095375), (25, 3112485), (57, 1365125), (67, 1161375), (75, 1037495), (95, 819075), (125, 622497), (163, 477375), (201, 387125), (285, 273025), (335, 232275), (375, 207499), (475, 163815), (489, 159125), (815, 95475), (1005, 77425), (1273, 61125), (1425, 54605), (1675, 46455), (2375, 32763), (2445, 31825), (3097, 25125), (3819, 20375), (4075, 19095), (5025, 15485), (6365, 12225), (7125, 10921), (8375, 9291)]