51841875

素因数分解:

$3^1\times 5^4\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:709

約数の個数: 40

約数和(自身を含む): 88521664

約数和(自身を除く): 36679789

約数列:

[1, 3, 5, 15, 25, 43, 75, 125, 129, 215, 375, 625, 643, 645, 1075, 1875, 1929, 3215, 3225, 5375, 9645, 16075, 16125, 26875, 27649, 48225, 80375, 80625, 82947, 138245, 241125, 401875, 414735, 691225, 1205625, 2073675, 3456125, 10368375, 17280625, 51841875]

約数ペア:

[(1, 51841875), (3, 17280625), (5, 10368375), (15, 3456125), (25, 2073675), (43, 1205625), (75, 691225), (125, 414735), (129, 401875), (215, 241125), (375, 138245), (625, 82947), (643, 80625), (645, 80375), (1075, 48225), (1875, 27649), (1929, 26875), (3215, 16125), (3225, 16075), (5375, 9645)]