1421875

素因数分解:

$5^6\times 7^1\times {\mathrm{13}}^1$

素因数の和:50

約数の個数: 28

約数和(自身を含む): 2187472

約数和(自身を除く): 765597

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 125, 175, 325, 455, 625, 875, 1625, 2275, 3125, 4375, 8125, 11375, 15625, 21875, 40625, 56875, 109375, 203125, 284375, 1421875]

約数ペア:

[(1, 1421875), (5, 284375), (7, 203125), (13, 109375), (25, 56875), (35, 40625), (65, 21875), (91, 15625), (125, 11375), (175, 8125), (325, 4375), (455, 3125), (625, 2275), (875, 1625)]