201320025

素因数分解:

$3^1\times 5^2\times {\mathrm{409}}^1\times {\mathrm{6563}}^1$

素因数の和:6985

約数の個数: 24

約数和(自身を含む): 333713760

約数和(自身を除く): 132393735

約数列:

[1, 3, 5, 15, 25, 75, 409, 1227, 2045, 6135, 6563, 10225, 19689, 30675, 32815, 98445, 164075, 492225, 2684267, 8052801, 13421335, 40264005, 67106675, 201320025]

約数ペア:

[(1, 201320025), (3, 67106675), (5, 40264005), (15, 13421335), (25, 8052801), (75, 2684267), (409, 492225), (1227, 164075), (2045, 98445), (6135, 32815), (6563, 30675), (10225, 19689)]