61985625

素因数分解:

$3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{2543}}^1$

素因数の和:2579

約数の個数: 40

約数和(自身を含む): 111264384

約数和(自身を除く): 49278759

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 625, 975, 1625, 1875, 2543, 4875, 7629, 8125, 12715, 24375, 33059, 38145, 63575, 99177, 165295, 190725, 317875, 495885, 826475, 953625, 1589375, 2479425, 4132375, 4768125, 12397125, 20661875, 61985625]

約数ペア:

[(1, 61985625), (3, 20661875), (5, 12397125), (13, 4768125), (15, 4132375), (25, 2479425), (39, 1589375), (65, 953625), (75, 826475), (125, 495885), (195, 317875), (325, 190725), (375, 165295), (625, 99177), (975, 63575), (1625, 38145), (1875, 33059), (2543, 24375), (4875, 12715), (7629, 8125)]