61827025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{677}}^1$

素因数の和:981

約数の個数: 24

約数和(自身を含む): 82979064

約数和(自身を除く): 21152039

約数列:

[1, 5, 13, 25, 65, 281, 325, 677, 1405, 3385, 3653, 7025, 8801, 16925, 18265, 44005, 91325, 190237, 220025, 951185, 2473081, 4755925, 12365405, 61827025]

約数ペア:

[(1, 61827025), (5, 12365405), (13, 4755925), (25, 2473081), (65, 951185), (281, 220025), (325, 190237), (677, 91325), (1405, 44005), (3385, 18265), (3653, 16925), (7025, 8801)]