51196875

素因数分解:

$3^1\times 5^5\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 87994368

約数和(自身を除く): 36797493

約数列:

[1, 3, 5, 15, 25, 43, 75, 125, 127, 129, 215, 375, 381, 625, 635, 645, 1075, 1875, 1905, 3125, 3175, 3225, 5375, 5461, 9375, 9525, 15875, 16125, 16383, 26875, 27305, 47625, 79375, 80625, 81915, 134375, 136525, 238125, 396875, 403125, 409575, 682625, 1190625, 2047875, 3413125, 10239375, 17065625, 51196875]

約数ペア:

[(1, 51196875), (3, 17065625), (5, 10239375), (15, 3413125), (25, 2047875), (43, 1190625), (75, 682625), (125, 409575), (127, 403125), (129, 396875), (215, 238125), (375, 136525), (381, 134375), (625, 81915), (635, 80625), (645, 79375), (1075, 47625), (1875, 27305), (1905, 26875), (3125, 16383), (3175, 16125), (3225, 15875), (5375, 9525), (5461, 9375)]