3453125

素因数分解:

$5^6\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:60

約数の個数: 28

約数和(自身を含む): 4921812

約数和(自身を除く): 1468687

約数列:

[1, 5, 13, 17, 25, 65, 85, 125, 221, 325, 425, 625, 1105, 1625, 2125, 3125, 5525, 8125, 10625, 15625, 27625, 40625, 53125, 138125, 203125, 265625, 690625, 3453125]

約数ペア:

[(1, 3453125), (5, 690625), (13, 265625), (17, 203125), (25, 138125), (65, 53125), (85, 40625), (125, 27625), (221, 15625), (325, 10625), (425, 8125), (625, 5525), (1105, 3125), (1625, 2125)]