78261627

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 113541120

約数和(自身を除く): 35279493

約数列:

[1, 3, 19, 47, 57, 131, 141, 223, 393, 669, 893, 2489, 2679, 4237, 6157, 7467, 10481, 12711, 18471, 29213, 31443, 87639, 116983, 199139, 350949, 555047, 597417, 1373011, 1665141, 4119033, 26087209, 78261627]

約数ペア:

[(1, 78261627), (3, 26087209), (19, 4119033), (47, 1665141), (57, 1373011), (131, 597417), (141, 555047), (223, 350949), (393, 199139), (669, 116983), (893, 87639), (2489, 31443), (2679, 29213), (4237, 18471), (6157, 12711), (7467, 10481)]