187721875

素因数分解:

$5^5\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 263983104

約数和(自身を除く): 76261229

約数列:

[1, 5, 11, 25, 43, 55, 125, 127, 215, 275, 473, 625, 635, 1075, 1375, 1397, 2365, 3125, 3175, 5375, 5461, 6875, 6985, 11825, 15875, 26875, 27305, 34375, 34925, 59125, 60071, 79375, 134375, 136525, 174625, 295625, 300355, 396875, 682625, 873125, 1478125, 1501775, 3413125, 4365625, 7508875, 17065625, 37544375, 187721875]

約数ペア:

[(1, 187721875), (5, 37544375), (11, 17065625), (25, 7508875), (43, 4365625), (55, 3413125), (125, 1501775), (127, 1478125), (215, 873125), (275, 682625), (473, 396875), (625, 300355), (635, 295625), (1075, 174625), (1375, 136525), (1397, 134375), (2365, 79375), (3125, 60071), (3175, 59125), (5375, 34925), (5461, 34375), (6875, 27305), (6985, 26875), (11825, 15875)]