27961825

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{43}}^1$

素因数の和:146

約数の個数: 36

約数和(自身を含む): 38382960

約数和(自身を除く): 10421135

約数列:

[1, 5, 19, 25, 37, 43, 95, 185, 215, 475, 703, 817, 925, 1075, 1369, 1591, 3515, 4085, 6845, 7955, 17575, 20425, 26011, 30229, 34225, 39775, 58867, 130055, 151145, 294335, 650275, 755725, 1118473, 1471675, 5592365, 27961825]

約数ペア:

[(1, 27961825), (5, 5592365), (19, 1471675), (25, 1118473), (37, 755725), (43, 650275), (95, 294335), (185, 151145), (215, 130055), (475, 58867), (703, 39775), (817, 34225), (925, 30229), (1075, 26011), (1369, 20425), (1591, 17575), (3515, 7955), (4085, 6845)]