55397409

素因数分解:

$3^1\times {\mathrm{23}}^2\times {\mathrm{67}}^1\times {\mathrm{521}}^1$

素因数の和:637

約数の個数: 24

約数和(自身を含む): 78517152

約数和(自身を除く): 23119743

約数列:

[1, 3, 23, 67, 69, 201, 521, 529, 1541, 1563, 1587, 4623, 11983, 34907, 35443, 35949, 104721, 106329, 275609, 802861, 826827, 2408583, 18465803, 55397409]

約数ペア:

[(1, 55397409), (3, 18465803), (23, 2408583), (67, 826827), (69, 802861), (201, 275609), (521, 106329), (529, 104721), (1541, 35949), (1563, 35443), (1587, 34907), (4623, 11983)]