221546875

素因数分解:

$5^6\times {\mathrm{11}}^1\times {\mathrm{1289}}^1$

素因数の和:1330

約数の個数: 28

約数和(自身を含む): 302339880

約数和(自身を除く): 80793005

約数列:

[1, 5, 11, 25, 55, 125, 275, 625, 1289, 1375, 3125, 6445, 6875, 14179, 15625, 32225, 34375, 70895, 161125, 171875, 354475, 805625, 1772375, 4028125, 8861875, 20140625, 44309375, 221546875]

約数ペア:

[(1, 221546875), (5, 44309375), (11, 20140625), (25, 8861875), (55, 4028125), (125, 1772375), (275, 805625), (625, 354475), (1289, 171875), (1375, 161125), (3125, 70895), (6445, 34375), (6875, 32225), (14179, 15625)]