39921375

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:481

約数の個数: 64

約数和(自身を含む): 75479040

約数和(自身を除く): 35557665

約数列:

[1, 3, 5, 13, 15, 19, 25, 39, 57, 65, 75, 95, 125, 195, 247, 285, 325, 375, 431, 475, 741, 975, 1235, 1293, 1425, 1625, 2155, 2375, 3705, 4875, 5603, 6175, 6465, 7125, 8189, 10775, 16809, 18525, 24567, 28015, 30875, 32325, 40945, 53875, 84045, 92625, 106457, 122835, 140075, 161625, 204725, 319371, 420225, 532285, 614175, 700375, 1023625, 1596855, 2101125, 2661425, 3070875, 7984275, 13307125, 39921375]

約数ペア:

[(1, 39921375), (3, 13307125), (5, 7984275), (13, 3070875), (15, 2661425), (19, 2101125), (25, 1596855), (39, 1023625), (57, 700375), (65, 614175), (75, 532285), (95, 420225), (125, 319371), (195, 204725), (247, 161625), (285, 140075), (325, 122835), (375, 106457), (431, 92625), (475, 84045), (741, 53875), (975, 40945), (1235, 32325), (1293, 30875), (1425, 28015), (1625, 24567), (2155, 18525), (2375, 16809), (3705, 10775), (4875, 8189), (5603, 7125), (6175, 6465)]