78984375

素因数分解:

$3^1\times 5^7\times {\mathrm{337}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 132030912

約数和(自身を除く): 53046537

約数列:

[1, 3, 5, 15, 25, 75, 125, 337, 375, 625, 1011, 1685, 1875, 3125, 5055, 8425, 9375, 15625, 25275, 42125, 46875, 78125, 126375, 210625, 234375, 631875, 1053125, 3159375, 5265625, 15796875, 26328125, 78984375]

約数ペア:

[(1, 78984375), (3, 26328125), (5, 15796875), (15, 5265625), (25, 3159375), (75, 1053125), (125, 631875), (337, 234375), (375, 210625), (625, 126375), (1011, 78125), (1685, 46875), (1875, 42125), (3125, 25275), (5055, 15625), (8425, 9375)]