491414697

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{21221}}^1$

素因数の和:21341

約数の個数: 24

約数和(自身を含む): 741581568

約数和(自身を除く): 250166871

約数列:

[1, 3, 9, 31, 83, 93, 249, 279, 747, 2573, 7719, 21221, 23157, 63663, 190989, 657851, 1761343, 1973553, 5284029, 5920659, 15852087, 54601633, 163804899, 491414697]

約数ペア:

[(1, 491414697), (3, 163804899), (9, 54601633), (31, 15852087), (83, 5920659), (93, 5284029), (249, 1973553), (279, 1761343), (747, 657851), (2573, 190989), (7719, 63663), (21221, 23157)]