87031875

素因数分解:

$3^1\times 5^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:398

約数の個数: 80

約数和(自身を含む): 174944000

約数和(自身を除く): 87912125

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 125, 133, 175, 285, 349, 375, 399, 475, 525, 625, 665, 875, 1047, 1425, 1745, 1875, 1995, 2375, 2443, 2625, 3325, 4375, 5235, 6631, 7125, 7329, 8725, 9975, 11875, 12215, 13125, 16625, 19893, 26175, 33155, 35625, 36645, 43625, 46417, 49875, 61075, 83125, 99465, 130875, 139251, 165775, 183225, 218125, 232085, 249375, 305375, 497325, 654375, 696255, 828875, 916125, 1160425, 1526875, 2486625, 3481275, 4144375, 4580625, 5802125, 12433125, 17406375, 29010625, 87031875]

約数ペア:

[(1, 87031875), (3, 29010625), (5, 17406375), (7, 12433125), (15, 5802125), (19, 4580625), (21, 4144375), (25, 3481275), (35, 2486625), (57, 1526875), (75, 1160425), (95, 916125), (105, 828875), (125, 696255), (133, 654375), (175, 497325), (285, 305375), (349, 249375), (375, 232085), (399, 218125), (475, 183225), (525, 165775), (625, 139251), (665, 130875), (875, 99465), (1047, 83125), (1425, 61075), (1745, 49875), (1875, 46417), (1995, 43625), (2375, 36645), (2443, 35625), (2625, 33155), (3325, 26175), (4375, 19893), (5235, 16625), (6631, 13125), (7125, 12215), (7329, 11875), (8725, 9975)]